| All Patents in class 192/66.23 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 370,118 | Sep. 20, 1887 | J.L. Bogert | Friction-clutch |
| | 421,178 | Feb. 11, 1890 | W. Lewis | Machinery for Transmitting and Arresting Motion |
 | 586,832 | Jul. 20, 1897 | J.G. Oliver, G.C. Bardons | Friction-clutch |
| | 909,768 | Jan. 12, 1909 | F. Donaldson | Winding-drum |
| | 1,699,968 | Jan. 22, 1929 | E.J. Hornberger | Friction Clutch |
 | 2,167,450 | Jul. 25, 1939 | M.I. Ginsburg | Power transmitting unit |
| | 2,831,352 | Apr. 22, 1958 | W.T. Elliott, R. Ball, E.C. Sturgeon | Combustion engine starting assemblies |
