| All Patents in class 192/46 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 191,239 | May 29, 1877 | J.H. Hopkins | Improvement in scroll-sawing machines |
| | 212,336 | Feb. 18, 1879 | T.A. Weston | Ratchet Mechanism and Clutch for Machinery |
| | 225,050 | Mar. 02, 1880 | C.G. Cooper | Traction Engine |
 | 232,884 | Oct. 05, 1880 | J.H. Cox | Pawl Shifter for Traction Engines |
 | 1,903,514 | Apr. 11, 1933 | F.W. Piche, H.H. Merriman | Rapid Rotating Socket Wrench |
 | 2,051,116 | Aug. 18, 1936 | H.C. Walsh, E.H. Hall | Power press driving mechanism |
| | 2,293,786 | Aug. 25, 1942 | E.C. Worden | Wrench |
| | 2,293,787 | Aug. 25, 1942 | E.C. Worden | Torque Wrench |
| | 2,602,347 | Jul. 08, 1952 | P.V. Miller | Thread Gauge Drive |
 | 2,826,107 | Mar. 11, 1958 | R.G. Woods | Ratcheting Torque-Limiting Wrench |
