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Patents

 Subject
Subject Source: Library Of Congress Subject Headings

Found in 19 Collections and/or Records:

Copyrights of Early "Globar" Material, 1925-1974

 File
Identifier: Box 65
Scope and Contents

Documents related to copyrights filed by the Carborundum company. Includes copyright office receipts and copies of product catalogs and booklet, "Details of Globar Spring Terminal Mountings".

Dates: 1925-1974

Early Carborundum Co. Copyrights, 1915-1934

 File
Identifier: Box 65
Scope and Contents

Documents related to copyrights filed by the Carborundum company. Includes copyright office receipts and copies of product catalogs and booklet, "A Treatise on The Grinding of Cemented Carbides", "Carborundum in Radio", "Coated Abrasive Products", "Carborundum Products For the Stone Trade".

Dates: 1915-1934

Eary Patents, Copyright, 1915-1974

 Box — Box Carbo 2011-106: Series Series 1 [Barcode: SC1706]
Identifier: Box 65
Scope and Contents

Documents and certificates related to patents and copyrights filed by the Carborundum company.

Dates: 1915-1974

Letters Patent signed by Pres. Andrew Jackson, 1836

 File
Scope and Contents

Letters patent related to a brick making machine signed on March 8, 1836. Also signed by John Forsyth, Secretary of State, R. F. Butler, Attorney General, and John Moffat, inventor of the U.S. Seal and ribbon. Written on parchment paper.

Dates: 1836

Patent, U.S., Benhard Rautenberg for Sweaters, 1911

 File
Scope and Contents

U.S. Patent for an improvement to sweaters filed by Bernhard Rautenberg

Dates: 1911

Patents (International), 1930-1954

 File
Identifier: Box 63
Scope and Contents

Patents filed by the Carborundum Company. Includes patents from the United States, Switzerland, Great Britain, Australia, Germany, France, Sweden, and Italy.

Dates: 1930-1954

Siloxicon - Acheson Patent

 File
Identifier: Series 3
Scope and Contents

Original documents and transcribed documents regarding patents

Dates: 1894-1917, undated

Siloxicon - Acheson Patent

 File
Identifier: Series 3
Scope and Contents

Original documents and transcribed documents regarding patents

Dates: 1894-1917, undated

Tone & Martin Patent, 1933-1955

 File
Identifier: Box 65
Scope and Contents

Patent documents including application materials, claims, and case transcriptions filed by Frank J. Tone and Harry C. Martin.

Dates: 1933-1955