| All Patents in class 279/132 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,446,062 | Feb. 20, 1923 | C.R. Pratt | Chuck | metal lathe chucks |
| 1,446,063 | Feb. 20, 1923 | C.R. Pratt | Chuck | metal lathe chucks |
| 1,446,065 | Feb. 20, 1923 | C.R. Pratt | Chuck | metal lathe chucks |
| 1,469,360 | Oct. 02, 1923 | J.K. Cullen | Clamp and grip chuck | car wheel lathes |
| 2,657,065 | Oct. 27, 1953 | M. De Haas, W.F. Wilhelm | Automatic Chuck | metal lathe chucks |
| 2,703,242 | Mar. 01, 1955 | L.B. Swanson, H.E. Sloan | Combination Work and Compensating Jaw Chuck | metal lathe chucks |
| 2,775,461 | Dec. 25, 1956 | W.A. Ehrlich, E.A. Zukowski | Chuck | |
| 2,867,443 | Jan. 06, 1959 | L.B. Swanson | Power-operated chuck of the compensating type | metal lathe chucks |
| 3,814,449 | Jun. 04, 1974 | J.R. Buck | Hydraulic ring chuck | metal lathe chucks |
