List of Patents Granted by the United States from April 10, 1790, to December 31 1836
With an Appendix Containing Reports on the Condition of the Patent-Office in 1823, 1830, and 1831. Fac Similes of Original Documents by Photolithography
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- ISBN-139781019178942
- ISBN-101019178949
- Better World Books9781019178942
- Open LibraryOL46416147M
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