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
Dates:
1825-1875.
George A. Brown patent for a hay-making machine
Collection — Manuscript box 88 - folder 1: [Barcode: 31924113451367]
Identifier: 1247m
Dates:
1855 January 23.
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