The records document the development of the first commercial atomic clocks by the National Company, Inc., (NATCO) of Malden, Massachusetts, a company known for producing specialized electronic equipment. The records include blueprints, technical drawings and schematics, technical and research reports, instruction manuals, photographs, and marketing materials.
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.
The collection documents S. Newman Darby's development of the sailboard, which became known as the windsurfer through sketches, mechanical drawings, plans, patent specifications, legal documents, photographs, correspondence, notebooks, clippings, periodicals, and an 8mm film.
This collection includes an English patent paper #2126 for improved vulcanizable water-proof gum, 1873, to Benjamin Joseph Barnard Mills; a U.S. patent paper #151,109 for improvement in the art of manufacturing horseshoes, 1874; and an English patent paper #1194 for improvement in street-lighting apparatus.
Papers relating to the invention, development, use, and popularization of the Taser, a nonlethal weapon invented by Jack Covers.
Two notebooks (scrapbooks) of clippings, correspondence, original United States patents, briefs on hearings of patent interference suits, drawings of color television tubes, photographs of Geer and his model of the receiving tube, licensing agreement proposal on the sale of patent rights to the (Bob) Hope Enterprises, and biographical information.
Papers document independent inventor John G. Vasquez. The papers include drawings, sketches, correspondence, notebooks, photographs, and prototypes for two of Vasquez's inventions.
Correspondence, patents, photographs, newspaper clippings, and subject files about various inventors and ideas. Collection documents women inventors, American culture, 1950s-1970s, and products designed for women and the home. Donovan's papers offer a near complete invention record, including both successes and failures, as well as patent and trademark correspondence.
Arthur Ehrat invented and patented a breakaway basketball rim, fashioning his prototypes from bolts, metal braces and one key part: a piece of the heavy-duty coil spring on a John Deere cultivator. His invention helped to revolutionize the way basketball is played because players could slam dunk the ball with fewer injuries and without bending the rims or breaking backboards. This collection includes correspondence, legal documents --such as patent papers, litigation files and licensing agreements --photographs and sketches that relate to the basketball invention, as well as materials regarding his two field spreader patents and other invention ideas.
The collection documents three major areas of Jacob Rabinow's work in improvement of electronic and other devices: phonograph record players, optical character recognition (reading machines) and automatic self regulation of watches and clocks.