| Patents for E. M. Allen |
Patents 1 -
11
of 11
      |
| Number | Title | Classification(s) |
| 810,634 | Change Speed Gearing for Lathes | 114/144R, 279/76, 74/333 |
| 868,074 | Shaft Liner and Leveler | 33/412 |
| 886,721 | Machine for Making Chair Seats | 144/142 |
| 962,690 | Driving mechanism for drill-spindles | 474/137, 474/63, 474/77 |
| 963,895 | Ratchet-Tool | 81/60 |
| 1,010,574 | Raising and lowering mechanism | 192/16 |
| 1,011,183 | Feed-lever connection for drills | 74/422 |
| 1,018,222 | Tail-stock-clamping mechanism | 82/148 |
| 1,056,243 | Double-acting clutch | 192/84.51, 192/84.951 |
| 1,075,280 | Gearing | 474/137, 474/63 |
| 1,121,599 | Belt driving mechanism | 474/63, 474/89 |
