| Patents for William F. Groene |
Patents 1 -
10
of 212
      |
| Picture | Number | Date | Patentee | Title |
 | 725,099 | Apr. 14, 1903 | W.F. Groene, R.K. Le Blond | Variable Speed Mechanism for Back Gearing |
| | 725,100 | Apr. 14, 1903 | W.F. Groene, R.K. Blond | Speed-changing mechanism |
| | 727,977 | May 12, 1903 | R.K. Blond, W.F. Groene | Speed-changing box |
 | 763,770 | Jun. 28, 1904 | W.F. Groene, R.K. Le Blond | Feed and Speed Changing Device for Machine-Tools |
 | 763,912 | Jun. 28, 1904 | R.K. Blond, W.F. Groene | Feed and Speed Changing Device for Machine Tools |
| | 768,608 | Aug. 30, 1904 | W.F. Groene, R.K. Le Blond | Feed and Speed Changing Device for Machine-tools |
| | 772,894 | Oct. 18, 1904 | W.F. Groene, R.K. Blond | Means for mounting worm-gearing in milling-machines |
| | 788,657 | May 02, 1905 | W.F. Groene, R.K. Le Blond | Feed and Speed Changing Device |
| | 789,860 | May 16, 1905 | W.F. Groene, R.K. Blond | Milling-machine |
| | 845,005 | Feb. 19, 1907 | W.F. Groene, R.K. Le Blond | Variable Speed Mechanism |
