| All Patents in class 269/171.5 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 153,206 | Jul. 21, 1874 | C.S. Van Wagoner | Improvement in Clamps | bar and pipe clamps |
| 226,617 | Apr. 20, 1880 | J.L. Koenig | Cabinet-Maker's Clamp | clamps |
| 640,500 | Jan. 02, 1900 | J.L. Taylor | Clamp | bar and pipe clamps |
| 792,758 | Jun. 20, 1905 | A.M. Colt | Quick Acting Clamp | clamps |
| 928,657 | Jul. 20, 1909 | H. Howell | Work Clamp | vises |
| 1,639,561 | Aug. 16, 1927 | J.M. Hargrave, D.L. Farmer | Clamp | bar and pipe clamps |
| 2,168,257 | Aug. 01, 1939 | D.L. Farmer | Clamp | bar and pipe clamps |
| 2,339,897 | Jan. 25, 1944 | M.E. Wetzler | Hold-down for drill presses or milling machines | clamps |
