Wednesday, 30 September 2009

U.S. Patent and Trademark Office Patents, 1790-1909

Ancestry has made available a database contains invention patents granted from 1790-1909 by the United States Patent and Trademark Office (USPTO).

The database contains:

  • Patent number
  • Current U.S. Classification
  • Name of patentee
  • Patent date
  • Patent place

In addition there are images of the patent documentation when available.

A search on Canada as a keyword found 14,180 hits.

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