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Kern Dental Equipment Collection

Creator:
Kern, George Robert, 1894-1962 (cabinet maker, machinist)  Search this
Kern, George Robert, Jr., 1919-1987  Search this
Source:
Medical History, Division of (NMAH, Smithsonian Institution).  Search this
Names:
Densco, Inc.  Search this
Fairfax Manufacturing Company.  Search this
Hazleton Laboratories.  Search this
Kern Laboratory Equipment Company.  Search this
Hazelton, L. W.  Search this
Henninger, R. G.  Search this
Former owner:
Medical History, Division of (NMAH, Smithsonian Institution).  Search this
Extent:
3 Cubic feet (9 boxes)
Type:
Archival materials
Collection descriptions
Correspondence
Drawings
Patents
Blueprints
Advertisements
Date:
1936-1970
Summary:
Blueprints, drawings, patent applications, patents, product photographs, correspondence, bills and receipts, advertising, and published articles related to the Kerns' products. The bulk of the material, 1949-1958, is from George Kern's files. It primarily relates to the development and marketing of the Dentagraph and high speed dental drills before the formation of the Fairfax Manufacturing Company in 1957.
Scope and Contents:
This collection includes blueprints and drawings, patent applications, patents, product photographs, correspondence, bills and receipts, advertising, and published articles related to the Kern's products. The bulk of the material, dating from 1949 to 1958, is from George Kern's files. It primarily relates to the development and marketing of the Dentagraph and high speed dental drills before the formation of the Fairfax Manufacturing Company in 1957. Most of the FMC material document's Kern's role as a stockholder. However, a large portion of the blueprints and drawings were created by his son or other FMC employees. Several of the patents are George Kern, Jr.'s, and there are copies of other people's patents that relate to the Kerns' patents or inventing activities. The collection has been arranged in chronological order within five series.
Arrangement:
The collection is divided into five series.

Series 1: Personal Papers, 1952-1959

Series 2: Product Files, 1945-1968

Series 3: Marketing Records, 1936-1962

Series 4: Client Files, 1949-1958

Series 5: Competitor Files, 1957
Biographical / Historical:
George Robert Kern was born in 1894 and died in 1962. He was an Arlington, Va., area cabinet maker and machinist who went on to invent several pieces of dental equipment that helped revolutionize the field of dentistry in the early 1950s he was joined in these endeavors by his son, George Kern, Jr.

The elder George Kern began working with dental equipment according to his promotional material because of his own experience with poor fitting dentures. As a machinist accustomed to tight tolerances, he knew it must be possible to make dentures fit better. The result of his work was the Dentagraph and his first patent, granted in 1950. In 1948 a company, Kern laboratory, was incorporated to manufacture the Dentagraph and license the "Dentagraph Tech nic." He also sold dental laboratory benches and dental molding materials under the name Kern Laboratory Equipment Company. Kern's Dentagraph was used by the National Standards Laboratory to test denture materials and the laboratory further improved the device. Apparently Kern received the rights to produce and market this improved tool.

In the early 1950s he began working on high speed dental drills. He developed both a water turbine drill and an air turbine drill. The water turbine drill was manufactured by Bowen Company of Maryland under the trademarked name Turbo Jet. In 1957 the company acquired the rights to this tool and its trademark.

Kern and his son improved on the water turbine drill, and in 1957 formed Fairfax Manufacturing Company (FMC) to produce an air turbine drill and the improved water turbine drill. The senior Kern was a participating stockliolder, receiving stock in return for rights to his inventions. George Kern, Jr., L. W. Hazleton (President of Hazleton Laboratories, a biological (research and development company), and R. G. Henninger (General Manager of Hazleton Laboratories) were the company officers. The stockholders included dentists who also tested the companies new products. Densco, Inc., a Colorado dental equipment company, marketed Kern's products from around 1954, and in 1957 the company began to market Fairfax Manufacturing Company's products.

George R. Kern, Jr., was born in 1919. He left public school in the tenth but took courses in industrial electricity and industrial engineering. He worked for worked the National Bureau of Standards for two years building and installing laboratory equipment. In 1951 he began working at Hazelton Laboratories as Superintendent of Maintenance. He patented several pieces of

Dental equipment and specialized parts for dental equipment. He died in 1987.
Related Materials:
The Division of Medicine and Science has several examples of the Kerns' dental equipment, including a Dentagraph and a number of hand pieces.
Provenance:
Collection donated by John Kern, 1992, December 22.
Restrictions:
Collection is open for research.
Rights:
Usage or copyright restrictions in effect. Contact the repository for details.
Occupation:
Cabinetmakers -- 1930-1970  Search this
Inventors -- 1930-1970  Search this
Machinists -- 1930-1970  Search this
Topic:
Dental instruments and apparatus -- 1930-1970  Search this
Dental technology -- 1930-1970  Search this
Dentistry -- 1930-1970  Search this
Dentures -- 1930-1970  Search this
Inventions -- 1920-2000 -- United States  Search this
Genre/Form:
Correspondence -- 20th century
Drawings -- 1930-1970
Patents -- 20th century
Blueprints -- 20th century
Advertisements -- 20th century
Citation:
Kern Dental Equipment Collection, 1936-1970, Archives Center, National Museum of American History.
Identifier:
NMAH.AC.0479
See more items in:
Kern Dental Equipment Collection
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_collection:sova-nmah-ac-0479

[Trade catalogs from Hazleton Corp.]

Company Name:
Hazleton Corp.  Search this
Related companies:
A CORNING laboratory services company ; Immunochemistry Div. ; Hazleton Biotechnologies Corp. ; Hazleton Research Products ; Hazleton Laboratories Corp.  Search this
Notes content:
"Nunc" laboratory products ; immunoassay services ; mammalian toxicology ; immunochemistry, analytical chemistry, and clinical laboratory ; genetic and cellular toxicology ; "Muta Mouse" animal products.
Includes:
Trade catalog and price lists
Black and white images
Physical description:
53 pieces; 2 boxes
Language:
English
Type of material:
Trade catalogs
Trade literature
Place:
Vienna, Virginia, United States
Date:
1900s
Topic (Romaine term):
Laboratories and laboratory supplies and equipment  Search this
Biotechnology and biochemical equipment and supplies  Search this
Scientific and optical instruments  Search this
Topic:
"Laboratories -- Furniture, equipment, etc."  Search this
Biochemical engineering  Search this
Biotechnology  Search this
Optical instruments  Search this
Scientific apparatus and instruments  Search this
Record ID:
SILNMAHTL_20269
Location:
Trade Literature at the American History Museum Library
Collection:
Smithsonian Libraries Trade Literature Collections
Data source:
Smithsonian Libraries
EDAN-URL:
edanmdm:SILNMAHTL_20269

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