| All Patents in class 192/109R |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 232,884 | Oct. 05, 1880 | J.H. Cox | Pawl Shifter for Traction Engines | traction engine propulsion components |
| 529,755 | Nov. 27, 1894 | E.D. Schmidt | Friction Clutch | industrial machine clutches |
| 843,076 | Feb. 05, 1907 | J.S. Detrick | Clutch Operating Mechanism | industrial machine clutches |
| 870,206 | Nov. 05, 1907 | V.J. Wahlstrom | Clutch | friction clutches |
| 923,930 | Jun. 08, 1909 | H. Baerbalck | Metal-planer | metal planers |
| 1,172,410 | Feb. 22, 1916 | W.E. Villinger | Clutch-controlling means | motor vehicles |
