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Patents.

 Subject
Subject Source: Library of Congress Subject Headings

Found in 39 Collections and/or Records:

Edward L. Eich miscellany

 Collection — Box 1: [Barcode: 31924064939501]
Identifier: 2404
Dates: 1835 - 1979; Majority of material found within 1864 - 1880

Emmet Horton papers

 Collection — Multiple Containers
Identifier: 1801
Scope and content

Dates: 1870-1932.

Everett Franklin Phillips papers

 Collection
Identifier: 21-23-768
Abstract

Correspondence, reports, and other papers relating to bees and beekeeping.

Dates: 1868-1950.

Farnham family papers

 Collection — Manuscript box 2 - folder 1: [Barcode: 31924065239802]
Identifier: 361

George A. Brown patent for a hay-making machine

 Collection — Manuscript box 88 - folder 1: [Barcode: 31924113451367]
Identifier: 1247m

George F. Hutchins Papers

 Collection — Multiple Containers
Identifier: 6585/002

Hampton Company Records

 Collection — Multiple Containers
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 — Box 1
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