| All Patents in class 192/82R |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 520,528 | May 29, 1894 | E.L. Jones | Clutch |
| | 586,263 | Jul. 13, 1897 | T.H. Worrall, A. Lesperance | Power-shifting device for clutch mechanisms |
| | 733,412 | Jul. 14, 1903 | J. Miotke | Safety Device for Punch Presses |
 | 802,489 | Oct. 24, 1905 | H. Baerbalck | Speed-changing device |
| | 1,049,957 | Jan. 07, 1913 | A.W. Whitcomb | Friction Clutch |
 | 1,347,214 | Jul. 20, 1920 | A. Dom | Drilling-machine |
 | 1,630,882 | May 31, 1927 | E.W. Zeh | Clutch-operating mechanism for power presses |
 | 1,679,027 | Jul. 31, 1928 | C. Gabrielson, A. Meldrum | Drilling machine |
 | 1,781,274 | Nov. 11, 1930 | W.C. De Roo | Feed-control mechanism |
 | 1,828,540 | Oct. 20, 1931 | W.A. Marschke | Buffer or grinder |
