| Patents for William E. Twamley |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 1,997,841 | Apr. 16, 1935 | W.E. Twamley | Gear Selecting and Shifting Mechanism | turret lathes |
| 2,343,084 | Feb. 29, 1944 | W.E. Twamley, C.A. Rich | Tightening Device for Sprocket Chains, Belts, and the Like | |
| 2,345,686 | Apr. 04, 1944 | W.E. Twamley, C.A. Rich | Screw and Similar Machine | screw machines |
| 2,415,714 | Feb. 11, 1947 | W.E. Twamley | Back Rest | |
| 2,451,367 | Oct. 12, 1948 | W.E. Twamley | Feed Mechanism | |
| 2,780,857 | Feb. 12, 1957 | W.E. Twamley | Tool Holder | metalworking machine tool holders |
| 2,791,135 | May 07, 1957 | W.E. Twamley | Step Drilling Turret Indexing and Feeding Mechanism | |
| 2,813,445 | Nov. 19, 1957 | S.T. Gotham, W.E. Twamley | Driving Mechanism for a Screw Machine | screw machines |
| 3,043,173 | Jul. 10, 1962 | J.W. Carroll, W.E. Twamley | Cutting-off Tool Post | |
| 3,192,798 | Jul. 06, 1965 | W.E. Twamley | Spindle Transmission | |
