| Patents Granted on 1891-01-20 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| CA-35,834 | Jan. 20, 1891 | W.A. Bernard | Improvement in Pliers, Pincers and Similar Tools | pliers |
| 444,810 | Jan. 20, 1891 | A. Bonner | Hub-boring machine | wheelwright |
| 444,812 | Jan. 20, 1891 | W.W. Carey | Self-lubricating device for pulleys | industrial machine pulleys and belt drive mechanisms |
| 444,834 | Jan. 20, 1891 | J.W. Hayes | Rotary Engine | rotary steam engines |
| 444,848 | Jan. 20, 1891 | R.F. Pratt | Saw-jointer | saw jointers |
| 444,865 | Jan. 20, 1891 | F.A. Welles | Surface Gage | surface gauges |
| 444,870 | Jan. 20, 1891 | F.H. Abbott | Saw Gumming Machine | saw gummers |
| 444,897 | Jan. 20, 1891 | O. Longval | Oiling Device for Bench Planes | plane oilers |
| 444,923 | Jan. 20, 1891 | C.F. Spery | Pipe Tongs | pipe wrenches |
| 444,937 | Jan. 20, 1891 | S. Hussey | Wrench | pipe and nut combination wrenches |
| 444,938 | Jan. 20, 1891 | T.W. Kinkaid | Rotary Engine | rotary steam engines |
| 444,948 | Jan. 20, 1891 | G.W. Capewell | Nail-extractor | nail extractors |
| 444,956 | Jan. 20, 1891 | M.H. Jones | Auger Bit with Detachable Tip | auger bits |
| 444,965 | Jan. 20, 1891 | T.S. Wilkin | Gang-saw mill | reciprocating sawmills |
| 444,980 | Jan. 20, 1891 | M.E. Hershey | Traction Engine or Road Roller | steam traction engines |
