| All Patents in class 74/28 |
Patents 1 -
10
of 35
      |
| Picture | Number | Date | Patentee | Title |
| | 902,603 | Nov. 03, 1908 | A.D. Baker, C.J. Pilloid | Valve-Gear |
| | 997,700 | Jul. 11, 1911 | C.A. Rich | Power-Transmitting Mechanism |
| | 1,166,974 | Jan. 04, 1916 | A.L. De Leeuw | Machine Tool Control |
| | 1,791,270 | Feb. 03, 1931 | W.F. Groene | Motor Traverse for Lathes |
 | 1,982,612 | Nov. 27, 1934 | W.G. Hoelscher | Feed box transmission |
| | 2,061,311 | Nov. 17, 1936 | J.E. Lovely | Machine Tool |
| | 2,110,173 | Mar. 08, 1938 | J.B. Armitage, W.M. Pohl | Machine Tool Transmission and Control |
| | 2,149,013 | Feb. 28, 1939 | F.A. Fritzsch | Speed Changing Mechanism |
| | 2,203,743 | Jun. 11, 1940 | F.A. Parsons | Machine Tool Transmission and control |
| | 2,264,804 | Dec. 02, 1941 | J.E. Lovely | Machine Tool |
