| All Patents in class 192/28 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 41,403 | Jan. 26, 1864 | N.C. Stiles | Improved Punching-Press | metal punching machines |
| 79,368 | Jun. 30, 1868 | E.J. Manville | Improvement in device for stop-motion for revolving shafts | |
| 110,455 | Dec. 27, 1870 | A. Hamlin | Improved power-press | stamping presses |
| 252,111 | Jan. 10, 1882 | C.E. McBeth, J.M. Long | Punching-machine | metal punching machines |
| 259,852 | Jun. 20, 1882 | W.P. Hale | Clutch | industrial machine clutches |
| 300,216 | Jun. 10, 1884 | P.M. Chisholm | Saw-mill | circular sawmills |
| 736,517 | Aug. 18, 1903 | C.L. Grohmann | Clutch | industrial machine clutches |
| 2,242,674 | May 20, 1941 | H.P. Holt | Clutch Device | industrial machine clutches |
| 2,604,127 | Jul. 22, 1952 | J. Grzbowski | Rotary and reciprocating tool operating machine | combination machines |
| 2,795,307 | Jun. 11, 1957 | F.G. Burg | Cyclically operable power transmission mechanism | drill presses |
| 4,312,435 | Jan. 26, 1982 | L.J. Hollo | Safety devices for mechanically operated apparatus such as a punch press | punch presses |
