| All Patents in class 269/170 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 589,046 | Aug. 31, 1897 | C.A. Terry | Wrench | quick adjust wrenches |
| 2,142,034 | Dec. 27, 1938 | R.H. Patrick | Work Holder Mechanism for Machine Tools and the Like | workpiece changers and storage mechanisms |
| 2,339,897 | Jan. 25, 1944 | M.E. Wetzler | Hold-down for drill presses or milling machines | clamps |
| 2,391,143 | Dec. 18, 1945 | A.C. Ertner | Wrench | quick adjust wrenches |
| 2,815,778 | Dec. 10, 1957 | H.V. Holman | Straight beam adjustable jaw clamp | bar and pipe clamps |
| 5,197,360 | Mar. 30, 1993 | R.D. Wooster, Jr. | Adjustable clamp | bar and pipe clamps |
