| All Patents in class 74/339 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 712,133 | Oct. 28, 1902 | F.S. Hawkins | Clutch | industrial machine clutches |
| 844,546 | Feb. 19, 1907 | W.T. Sears | Power-transmission device | metalworking machine mechanisms |
| 858,764 | Jul. 02, 1907 | W.T. Sears | Power-transmission apparatus | metalworking machine mechanisms |
| 1,527,247 | Feb. 24, 1925 | C. Bouillon | Electric Motor Driven Change Speed Device | |
| 1,984,052 | Dec. 11, 1934 | D.B. Bullard | Machine Tool Driving Connection | |
| 2,110,173 | Mar. 08, 1938 | J.B. Armitage, W.M. Pohl | Machine Tool Transmission and Control | milling machines |
| 2,164,884 | Jul. 04, 1939 | E.G. Roehm, L.F. Nenninger | Operating Control Mechanism for Milling Machines | milling machines |
| 2,499,152 | Feb. 28, 1950 | E.K. Morgan | Control Mechanism for Machine Tools | machine tool controls |
| 2,529,067 | Nov. 07, 1950 | W.A. Gigger, G.B. Hirsch, A.F. Bennett | Gear Shift Control Mechanism | machine tool controls |
| 2,537,409 | Jan. 09, 1951 | E.D. Vancil, F.A. Hassman | Jogging Mechanism for Machine Tools | milling machines |
| 2,555,242 | May 29, 1951 | F.A. Hassman, E.D. Vancil, L.F. Nenninger | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,697,965 | Dec. 28, 1954 | J.B. Armitage | Machine Tool | milling machines |
| 2,782,651 | Feb. 26, 1957 | N.V. Gusching, B. Sassen | Hydraulic Jogger | hydraulic apparatus |
| 2,782,891 | Feb. 26, 1957 | B. Sassen | Safety Controls | machine tool controls |
| 2,788,675 | Apr. 16, 1957 | E.E. Hosea | Preselect Automatic Change Speed Gear Shift | metalworking speed changing mechanisms |
