| All Patents in class 192/80 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 36,832 | Nov. 04, 1862 | F. Brown, A. Brown | Improvement in friction-coupling |
| | 129,914 | Jul. 30, 1872 | T.A. Weston | Improvement in Friction-Clutch |
 | 185,567 | Dec. 19, 1876 | A.Y. Parmele | Improvement in clutching apparatus for hoisting-machines |
 | 228,552 | Jun. 08, 1880 | W. Oesterlein | Friction-clutch |
 | 235,558 | Dec. 14, 1880 | W. Oesterlein | Friction-clutch |
 | 239,933 | Apr. 12, 1881 | T.F. Carver | Friction-clutch |
 | 241,674 | May 17, 1881 | W.T. Kosinski | Pipe Wrench |
 | 321,941 | Jul. 14, 1885 | A.B. Bean | Friction Clutch |
 | 326,091 | Sep. 15, 1885 | A.B. Bean | Friction Clutch |
| | 363,507 | May 24, 1887 | M.C. Crompton, Administratrix, H. Wyman, G. Crompton, deceased (Estate of) | Friction Clutch |
