| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Levi W. Stockwell | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 123,951 | Feb. 20, 1872 | L.W. Stockwell | Improvement in Screw Cutting Machines | screw machines | |
| 250,459 | Dec. 06, 1881 | L.W. Stockwell | Machine for Threading Bolts | metal threading machines | |
| 259,433 | Jun. 13, 1882 | L.W. Stockwell | Screw Threading Machine | metal threading machines | |
| 292,382 | Jan. 22, 1884 | L.W. Stockwell | Regulator for Electric Motors | motor regulators | |