Patents
Found in 19 Collections and/or Records:
Copyrights of Early "Globar" Material, 1925-1974
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".
Early Carborundum Co. Copyrights, 1915-1934
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".
Eary Patents, Copyright, 1915-1974
Documents and certificates related to patents and copyrights filed by the Carborundum company.
Letters Patent signed by Pres. Andrew Jackson, 1836
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.
Patent, U.S., Benhard Rautenberg for Sweaters, 1911
U.S. Patent for an improvement to sweaters filed by Bernhard Rautenberg
Patents (International), 1930-1954
Patents filed by the Carborundum Company. Includes patents from the United States, Switzerland, Great Britain, Australia, Germany, France, Sweden, and Italy.
Siloxicon - Acheson Patent
Original documents and transcribed documents regarding patents
Siloxicon - Acheson Patent
Original documents and transcribed documents regarding patents
Tone & Martin Patent, 1933-1955
Patent documents including application materials, claims, and case transcriptions filed by Frank J. Tone and Harry C. Martin.