| Patents for Otto Hufeland |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 181,258 | Aug. 22, 1876 | F.A. Gleason | Improvement in nail-plate feeders | nailing machines |
| 184,158 | Nov. 07, 1876 | H.W. Kip | Method of Making Hammers | hammers |
| 188,133 | Mar. 06, 1877 | J. Hellwig | Bolt and Rivet Cutter | bolt cutters |
| 191,493 | May 29, 1877 | A.V. Trust | Wrench | self-adjust wrenches |
| 266,761 | Oct. 31, 1882 | F. Brown | Friction Clutch | industrial machine clutches |
| 326,876 | Sep. 22, 1885 | A. Eikhoff, L. Kramer | Ratchet-Wrench | wrench sockets |
| 350,819 | Oct. 12, 1886 | E. Enge | Work Bench | |
| 356,986 | Feb. 01, 1887 | J. Clark | Pipe Wrench | pipe wrenches |
