| All Patents in class 81/363 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 93,179 | Aug. 03, 1869 | R. Crain | Pipe Tongs | pipe tongs |
| 222,787 | Dec. 23, 1879 | S.E. Hurlbut | Adjustable Wrench | screw adjust wrenches |
| 372,080 | Oct. 25, 1887 | W.H. Mitchell | Combination Tool | pipe and nut combination wrenches |
| 455,183 | Jun. 30, 1891 | J. Dushane | Wrench | screw adjust wrenches |
| 514,752 | Feb. 13, 1894 | E.A. Humphrey | Wrench | pipe and nut combination wrenches |
| 578,249 | Mar. 02, 1897 | M.D. Letteer | Combination Tool | wrench combination tools |
| 606,317 | Jun. 28, 1898 | G.R. Van Schoick | Wrench | quick adjust wrenches |
| 858,357 | Jun. 25, 1907 | G.A. McIntire | Wrench | self-adjust wrenches |
| 952,079 | Mar. 15, 1910 | G.A. McIntire | Wrench | self-adjust wrenches |
| 1,725,301 | Aug. 20, 1929 | A.N. Plante | Wrench | wrench handle components |
| 1,735,011 | Nov. 12, 1929 | A.N. Plante | Combination Tool | wrench combination tools |
| 1,875,736 | Sep. 06, 1932 | C.A. Johnson | Saw Set | saw sets |
| 2,320,303 | May 25, 1943 | C.O. Ross | Mechanic's Tool | locking pliers |
| 2,379,107 | Jun. 26, 1945 | W. Scheck | Clamp Wrench | auxiliary levers on wrenches |
| 2,391,604 | Dec. 25, 1945 | F.C. Wallace | Clamp | clamps |
