| All Patents in class 269/168 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,439,822 | Dec. 26, 1922 | F. Johnson | Vise Grip | bench vises |
| 1,783,713 | Dec. 02, 1930 | H.V. Holman | Adjustable clamp | bar and pipe clamps |
| 2,362,067 | Nov. 07, 1944 | R.O. Heinrich | Quick-adjustable vise | vise mechanisms |
| 2,424,313 | Jul. 22, 1947 | R.O. Heinrich | Quick locking vise | machinist vises |
| 2,638,804 | May 19, 1953 | R.O. Heinrich | Actuating means for advancing and locking jaws of vises and like fixtures | machinist vises |
| 6,402,131 | Jun. 11, 2002 | E.J. Baculy | Clamp Fixtures | clamps |
