Patents for Waterbury Tool Co. |
Patents 1 -
5
of 5
|
Number | Date | Patentee | Title | Type |
924,787 | Jun. 15, 1909 | R. Janney | Variable Speed Transmission Device | industrial machine speed and direction changing mechanisms |
925,148 | Jun. 15, 1909 | H.D. Williams | Variable Speed Gear | industrial machine speed and direction changing mechanisms |
1,197,029 | Sep. 05, 1916 | R. Janney, J.J. Crain | Driving mechanism | metal planers |
1,250,565 | Dec. 18, 1917 | J.J. Crain | Driving mechanism | metal lathes |
1,785,733 | Dec. 23, 1930 | D.R. Francis | Control Means for Variable Speed Transmision | industrial machine speed and direction changing mechanisms |