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• Petition to the House of Representatives from Inventors Opposing Changes to Patent Laws, ca. 1861

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 1 favorite
  • 3,270 views
  • Date taken: 1861
  • Date uploaded: 2011-12-19
  • Tags: usnationalarchives, centerforlegislativearchives, nara:arcid=6050271, house, representatives, 1861, patent
  • Visibility: public