| All Patents in class 74/361 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 491,722 | Feb. 14, 1893 | W.J. Walsh | Apparatus for Reversing Motion | industrial machine speed and direction changing mechanisms |
| 736,572 | Aug. 18, 1903 | W.A. Barker | Electric hoist | hoists, winches, come-alongs |
| 776,710 | Dec. 06, 1904 | A.P. Weigel | Drill-press | drill presses |
| 1,543,678 | Jun. 30, 1925 | L.G. Merritt | Power Transmission for Veneer Lathes | plywood making machines |
| 2,556,318 | Jun. 12, 1951 | N.D. Cooper | Electrically Operated Sevopower Actuator | metalworking machine mechanisms |
| 2,729,981 | Jan. 10, 1956 | H.F. Budzien | Reversible Power Transmission Mechanism | power transmissions |
