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Patents

 Subject
Subject Source: Library of Congress Subject Headings

Found in 2 Collections and/or Records:

John K. Cummings Patent

 Collection
Identifier: A3272
Scope and Contents

Patent No. 14925 was issued to John K. Cummings for his design of a bottle or flask on April 1, 1884. It bears a government seal and is signed by the acting secretary of the interior and by the commissioner of patents. It also includes a diagram and a written description of the design. The pages are attached by metal fasteners.

Dates: 1884

Propper Thread Company Records

 Collection
Identifier: A3127
Scope and Contents The records relate to Propper Thread Company’s work to design a new bobbin winding machine and contain plans, lists, notes relating to parts used in the machine, correspondence, computations, and patent records research from 1958 to 1965. The files are arranged alphabetically by topic/type of document. Many of the small plans and sketches were drawn by Andy Conca, however his name does not appear on the 33-sheet set of drawings. Conca also worked with Allen Devinatz, Associate...
Dates: 1958-1965