| Patents Granted on 1872-10-01 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 131,733 | Oct. 01, 1872 | A.H. Brainard | Improvement in Milling Machines | milling machines |
| 131,828 | Oct. 01, 1872 | A. Pitcher | Improvement in Rotary-Wrenches | ratchet wrenches |
| 131,829 | Oct. 01, 1872 | H.L. Pratt | Improvement in bit-stocks | brace chucks |
| 131,834 | Oct. 01, 1872 | R.W. Thompson | Improvement in Saw Gummers | saw gummers |
| 131,835 | Oct. 01, 1872 | W. Tripp, H.A. Tripp | Improvement in Hoop-Lock Cutters | hoop making machines |
| 131,839 | Oct. 01, 1872 | H.H. Baker | Improvement in propulsion of canal-boats | boats and ships |
| 131,852 | Oct. 01, 1872 | J.T. Cooke | Improvement in Compounds for Coating Roasted Coffee | roasting coffee |
