| All Patents in class 474/139 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 119,674 | Oct. 03, 1871 | W. Weaver | Improvement in Mechanical Movement | industrial machine pulleys and belt drive mechanisms |
| 568,917 | Oct. 06, 1896 | H.W. Morgan | Power Transmitting Mechanism | box making machines |
| 618,190 | Jan. 24, 1899 | G.F. Sturgess | Chain Gear | industrial machine gearing |
| 803,556 | Nov. 07, 1905 | J.A. Charter | Power Driving Mechanism | power transmissions |
| 2,099,218 | Nov. 16, 1937 | W.T. Pritchard, F.A. Nicholson | Driving mechanism to maintain constant the required length of an endless driving means | woodworking machine stockfeeding mechanisms |
| 2,099,219 | Nov. 16, 1937 | W.T. Pritchard, F.A. Nicholson | Mechanism to maintain constant the required length of an endless driving means | woodworking machine stockfeeding mechanisms |
| 2,099,220 | Nov. 16, 1937 | W.T. Pritchard, F.A. Nicholson | Mechanism to maintain constant the required length of an endless driving means | woodworking machine stockfeeding mechanisms |
