| All Patents in class 74/473.24 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,172,341 | Feb. 22, 1916 | E.P. Bullard, Jr. | Speed Changing Mechanism | metalworking speed changing mechanisms |
| 1,497,569 | Jun. 10, 1924 | D.C. Klausmeyer | Interlocking Control for Change Gears | metalworking machine mechanisms |
| 1,765,592 | Jun. 24, 1930 | H.E. Darby, D.C. Klausmeyer | Single Lever Eight-Speed Shift Mechanism | metalworking speed changing mechanisms |
| 1,859,242 | May 17, 1932 | L.F. Nenninger | Transmission and Control Mechanism | milling machines |
| 2,281,921 | May 05, 1942 | F.W. Curtis | Tumble Change Gear Mechanism | milling machines |
| 2,355,623 | Aug. 15, 1944 | E.P. Bullard | Transmission | |
| 2,355,626 | Aug. 15, 1944 | E.P. Bullard, E.N. Cowell, F.H. Mussler | Transmission | |
