United States. Patent Office

The growth of industrial art

Protection extended to patents, designs, trade-marks, and copyrights in China, Japan, and Korea

Report of the secretary of the interior, communicating the report of John Claiborne, esq., special agent appointed to collect statistics on the consumption of cotton in Europe

Index of patents relating to electricity

Index of patents relating to electricity

[Graphophone patents]

Index of patents relating to electricity

The classification of patents

Index of patents relating to electricity

Index of patents relating to electricity

Index of patents relating to electricity

A Digest of Patents, Issued by the United States, Including the Years 1839, 1840, and 1841 ...

Index of patents relating to electricity

Index of patents relating to electricity

Index of patents relating to electricity

[Milk and the handling of milk

Digest of the Decisions of Law and Practice in the Patent Office from 1890 ...

Index of patents relating to electricity

Women inventors to whom patents have been granted by the United States government, 1790 to July 1, 1888

Index of patents relating to electricity

Subject-matter index of patents for inventions issued by the United States Patent Office from 1790 to 1873

Index of patents relating to electricity

Index of patents relating to electricity

U.S. patents covering time keeping mechanisms

[Roller-skate patents]

A digest of patents, issued by the United States, from 1790 to January 1, 1839

A general index of the agricultural reports of the Patent Office, for twenty-five years, from 1837 to 1861 ; and of the Department of Agriculture, for fifteen years, from 1862 to 1876

Report of the commissioner of patents, for the year 1849

Index of patents relating to electricity

Classified Index of Subjects of Invention Adopted in the U. S. Patent Office, March 1, 1872

Index of patents relating to electricity

Results of meteorological observations

U.S. patents covering time keeping mechanisms