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 |
| Comments | 0 |
| Favorites | 1 |
| Views | 3,270 |
| Date taken | 1861 |
| Date uploaded | 2011-12-19 |
| Tags | usnationalarchives, centerforlegislativearchives, nara:arcid=6050271, house, representatives, 1861, patent |
| Visibility | public |