| Patents for William F. Groene |
Patents 1 -
15
of 212
      |
| Number | Title | Classification(s) |
| 725,099 | Variable Speed Mechanism for Back Gearing | 74/333 |
| 725,100 | Speed-changing mechanism | 74/348 |
| 727,977 | Speed-changing box | 74/341 |
| 763,770 | Feed and Speed Changing Device for Machine-Tools | 74/348 |
| 763,912 | Feed and Speed Changing Device for Machine Tools | 283/114, 283/59, 283/74 |
| 768,608 | Feed and Speed Changing Device for Machine-tools | 74/341 |
| 772,894 | Means for mounting worm-gearing in milling-machines | 74/396 |
| 788,657 | Feed and Speed Changing Device | 74/341 |
| 789,860 | Milling-machine | 33/628, 409/210, 409/215, 409/57 |
| 845,005 | Variable Speed Mechanism | 74/333 |
| 857,562 | Speed Changing Device | 74/333 |
| 894,508 | Milling-machine | 409/22, 409/61 |
| 932,791 | Cutter-grinder | 451/223, 451/340 |
| 956,643 | Milling-machine | 409/145, 409/160 |
| 959,520 | Combined oil-bush and friction device | 192/113.5, 192/78 |
