| All Patents in class 279/28 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,266,496 | May 14, 1918 | F.J. Lapointe | Key Seat Broaching Machine | broaching machines |
| 2,355,866 | Aug. 15, 1944 | J.M. Ingalls | Stock Pusher | workpiece changers and storage mechanisms |
| 2,397,025 | Mar. 19, 1946 | J. MacBlane | Automatic Chuck | drill press chucks |
| 2,496,995 | Feb. 07, 1950 | G. Gorton | Guide Collet | metalworking machine work holding |
| 2,584,303 | Feb. 05, 1952 | A.M. Stoner | Toggle-acting collet and method of making same | collets and collet holders |
| 2,889,022 | Jun. 02, 1959 | J.W. Lehde, Jr., B.R. Better | Double Roller Torque Driver | drilling and boring tool holders |
