| All Patents in class 74/368 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 761,905 | Jun. 07, 1904 | J.C. Potter, J. Johnston, E.B. Sellew | Gearing | metal lathes |
| 788,658 | May 02, 1905 | R.K. Le Blond | Speed Changing Device | metalworking speed changing mechanisms |
| 1,705,218 | Mar. 12, 1929 | W.F. Groene | Milling Machine | milling machines |
| 2,310,878 | Feb. 09, 1943 | H.N. Stephan | Machine Tool | horizontal boring mills |
| 2,390,589 | Dec. 11, 1945 | M.P. Holmes | Two-speed Drive Mechanism | metalworking speed changing mechanisms |
| 2,716,350 | Aug. 30, 1955 | R.D. Phares | Slow speed converter motor drive | metalworking speed changing mechanisms |
| 2,830,628 | Apr. 15, 1958 | Y. Tu, D.D. Pettigrew | Multi-speed drive for band saws and the like | bandsaws |
| 2,831,361 | Apr. 22, 1958 | J.C. Hollis | Machine Tool Feed Transmission and Controls Therefor | tool changers and storage mechanisms |
| 3,184,810 | May 25, 1965 | J.H. Hoern | Die casting and pressure molding machines | foundryman |
| 3,253,476 | May 31, 1966 | E. Olah | Variable speed drill | handheld power drills |
