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Patents.

 Subject
Subject Source: Art & Architecture Thesaurus

Found in 13 Collections and/or Records:

C. G. Sargent's Sons Records

 Collection
Identifier: 6550
Abstract

Collection of records of the C,G. Chauncy & Sons, Chauncy Mills, James M. Sargent Co., Stony Brook Water Power Co., and personal papers of C.G. Sargent

Dates: undated

George F. Hutchins Papers

 Collection — Multiple Containers
Identifier: 6585/002

Hampton Company Records

 Collection
Identifier: 6679
Abstract One folder of miscellaneous patent specifications & correspondence, relating to the use of rayon or mercerized cotton cord to reinforce rubber products such as tires and belting. Also includes dye formulae, machinery contracts and estimates for Hawthorn Spinning Mills, Clover, SC.; foreign patent negotiations for yarn treating devices; cost analyses. Also data reported to U.S. Dept. of Labor concerning number of hours worked, payroll, etc., 1931-1950; undated essay on spinning;...
Dates: 1925-1945

Henry F. Perkins Papers

 Collection
Identifier: 6825/005
Abstract

Patents & patent correspondence of Henry F. Perkins, Andover, Massachusetts, relating to his improvements for cloth folding machine. American patent, including drawings & specifications, issued March 19, 1918. Canadian patent, including drawings & specifications, issued November 18, 1919. Also includes letters of recommendation for George H. Gerrish, an engineer with American Woolen Co., 1929.

Dates: 1918-1919

Henry York and Harold A. Giffin Records

 Collection
Identifier: 6575
Abstract

Patent papers for spool stripper.

Dates: 1945-1946

Mark H. Newman Papers

 Collection
Identifier: 6766
Abstract

Journal of Newman's trip to Europe with Howarth to introduce a newly-invented spindle, to negotiate for its manufacture and use in England, and to obtain continental patents along. Typewritten summary by Edna Brown.

Dates: 1839