| All Patents in class 192/69.7 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 326,994 | Sep. 29, 1885 | M. Lafever | Traction Engine Gear | traction engine propulsion components |
| 2,225,091 | Dec. 17, 1940 | G.C. Wilhide | Portable power driven screw or bolt driving and nut running machine | handheld power drills |
| 2,677,447 | May 04, 1954 | G.O. Johnson | Clutch tripping mechanism for punch presses and other machine tools | punch presses |
| 2,696,897 | Dec. 14, 1954 | C.E. Miller | clutch | metalworking machine mechanisms |
| 2,717,676 | Sep. 13, 1955 | G.O. Johnson | Clutch for punch presses | punch presses |
