Skip to main content

Patents

 Subject
Subject Source: Library of Congress Subject Headings

Found in 9 Collections and/or Records:

Barnett, J. Dean, 1962-1986

 File — Box 8: Series 1 [Barcode: 31197231007375], Folder: 1
Identifier: UA 909 Series 1

Bovenkerk, H. P., 1960-1966

 File — Box 16: Series 1 [Barcode: 31197231007219], Folder: 14
Identifier: UA 909 Series 1

Dudley H. Cooper patent medicine pamphlets and advertisements, date of production not identified

 Series
Identifier: MSS SC 302 Series 4
Scope and Contents note

Cooper's patent.

Dates: Other: date of production not identified

H. Tracy Hall patents, 1919-1998

 Series — Multiple Containers
Identifier: MSS 3204 Series 7
Scope and Contents

Contains patents, correspondence, and legal papers relating to Hall's work of creating man-made diamonds. Contains mostly methods and machinery used to make diamonds and patents awarded to colleagues mostly on pressure apparatuses used in synthesizing diamonds.

Dates: 1919-1998

Heilner & Ottenheimer Co. patent, 1884 May 23

 Item — Box 7: Series 2 [Barcode: 31197235217848], Folder: 6
Identifier: MSS 6721 Series 2 Item 216
Scope and Contents

Patent. Letter confirms full payment to Heilner & Ottenheimer Co. regarding Littlefield's water rights for mining purposes. It reads: "In testimony whereof I. Rutherford B. Hayes, President of the United States of America, have caused these letters to be made Patent, and the Seal of the General Land Office to be affixed." Dated May 23, 1884.

Dates: 1884 May 23

Laraine Day folding foto fan stand patent documents, 1980s

 File — Folder 67: Series 2 [Barcode: 31197239123117]
Identifier: MSS 2351 Series 2 File 127
Scope and Contents

Incldes a younger photograph of Laraine Day presumably used as a prop for the stand.

Dates: 1980s

Strong, H. M., 1959-1973

 File — Box 165: Series 1 [Barcode: 31197231015154], Folder: 33
Identifier: UA 909 Series 1

United States Land Office patents, 1883 November 15

 Item — Box 7: Series 2 [Barcode: 31197235217848], Folder: 5
Identifier: MSS 6721 Series 2 Item 196
Scope and Contents

Three notices from the United States Land Office regarding a patent. Dated November 15, 1885.

Dates: 1883 November 15

Water purification patent, 1936-1937

 File — Box 15: Series 9 [Barcode: 31197239117085], Folder: 16
Identifier: UA 510 Series 9