Results for “United States Patent Office”
1,886 books found
Books

U.S. patents covering time keeping mechanisms
United States. Patent Office
1892
Subject-matter Index Of Patents For Inventions Issued By The United States Patent Office From 1790 To 1873, Inclusive ..
United States. Patent Office
2001
List of patents for inventions and designs, issued by the United States, from 1790 to 1847
United States. Patent Office
1847
Interference proceedings in the United States Patent Office
United States. Patent Office
1891
Classification of Subjects of Invention of the United States Patent Office
United States Patent Office
2018
Manual of classification of subjects of invention of the United States Patent office
United States. Patent Office
1920
Report of the Commissioner of Patents, to the Senate of the United States
United States. Patent Office
1849
Subject-matter index of patents for inventions issued by U.S. Patent Office, from 1790 to 1873
United States. Patent Office
1874

Report of the commissioner of patents, for the year 1849
United States. Patent Office
1850

Reports of the examiners of the United States Patent office, showing the condition of their respective divisions
United States. Patent office
1884
U.S. statutes concerning registration of trade-marks, with rules of Patent Office relating thereto
United States. Patent Office
1878
Annual Report of the Commissioner of Patents
United States Patent Office
2018

Annual Report of the Commissioner of Patents
United States. Patent Office
1871

U.S. patents issued to Thomas A. Edison from 1883-88
United States. Patent Office
1900
Court decisions as guides to Patent Office
United States. Patent Office
1960
Decision of Hon. Philip F. Thomas, commissioner of patents, on the application of Samuel F.B. Morse, for an extension of his patent for a new and useful improvement in electro-magnetic telegraphs : patented April 11, 1846 : patent extended for seven years from the 11th day of April, 1860
United States. Patent Office
1860

Definitions of revised classes and subclasses of subjects of invention in the United States Patent office
United States. Patent Office
1912
A digest of patents, issued by the United States, from 1790 to January 1, 1939 : published by Act of Congress under the superintendence of the Commission of Parents, Henry L. Ellsworth to which is added the present laws relating to patents
United States. Patent Office
1840
General information concerning trademarks
United States. Patent Office
1968
Index of patents relating to electricity, granted by U.S. ..
United States. Patent Office
1882
