| Patents for William H. Hoffman |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| 154,455 | Aug. 25, 1874 | W.H. Hoffman, J.C. Chapman | Improvement in self-oiling journal-boxes and hangers | industrial machine bearings |
| 164,560 | Jun. 15, 1875 | W.H. Hoffman | Improvement in mechanisms for adjusting lathe-beds to different heights | metal lathes |
| 164,561 | Jun. 15, 1875 | W.H. Hoffman | Tool Receptables for Metal Working Machines | machine bases and cabinets |
| 409,464 | Aug. 20, 1889 | A.E. Hoffman | Feed mechanism for saw-mill carriages | sawmill feed works |
