| All Patents in class 81/342 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 119,838 | Oct. 10, 1871 | T. Snyder, D. Frank | Improvements in Pipe Tongs or Wrench | pipe wrenches |
| 318,089 | May 19, 1885 | F. Crocker | Pipe Wrench | pipe tongs |
| 460,015 | Sep. 22, 1891 | G.W. Johnson | Pipe Tongs | pipe tongs |
| 508,591 | Nov. 14, 1893 | H. Alexander | Pipe Tongs | pipe tongs |
| 535,931 | Mar. 19, 1895 | W. Thompson | Combination Tool | combination tools |
| 540,548 | Jun. 04, 1895 | F.G. High | Stove and Kitchen Utensil | combination tools |
| 591,519 | Oct. 12, 1897 | E. Zimerman | Bench Dog | bench and pinch dogs |
| 601,954 | Apr. 05, 1898 | A. Enos | Sliding Jaw Wrench | nut wrenches |
| 627,401 | Jun. 20, 1899 | W.H. Edwards | Adjustable Nut Cracker | nutcrackers |
| 692,828 | Feb. 11, 1902 | J.C. Crume, J.M. Clark | Wrench | jar wrenches |
| 1,653,861 | Dec. 27, 1927 | C.H. Leonard | Wrench | pliers type wrenches |
| 2,313,270 | Mar. 09, 1943 | F.B. Sapp | Wrench | locking pliers |
| 2,628,521 | Feb. 17, 1953 | A. Berglund, N. Berglund | Plier-Wrench | locking pliers |
| 3,681,840 | Aug. 08, 1972 | J.L. Pool | Reversible Pliers | snap-ring tools |
| 4,726,266 | Feb. 23, 1988 | H. Wiener, H. Undin | Pair of Pliers | pliers |
