| All Patents in class 81/177.8 |
Patents 1 -
15
of 59
      |
| Number | Date | Patentee | Title | Type |
| 49,208 | Aug. 01, 1865 | J. White | Improvement in Screw-Wrenches | angle adjustable wrenches |
| 69,911 | Oct. 15, 1867 | D. Harrigan | Improvement in Wrenches | angle adjustable wrenches |
| 103,656 | May 31, 1870 | M. Redlinger | Wrench | wrench jaw components |
| 120,304 | Oct. 24, 1871 | T.D. McBride | Improvement in Wrenches | wrenches |
| 174,745 | Mar. 14, 1876 | W.J. Squire | Improved Wrench | quick adjust wrenches |
| 207,709 | Sep. 03, 1878 | H.W. Brett | Wrench | self-adjust wrenches |
| 228,860 | Jun. 15, 1880 | J.S. Birch | Holding-Tool | self-adjust wrenches |
| 330,594 | Nov. 17, 1885 | S.J. Lea | Wrench | pipe and nut combination wrenches |
| 493,051 | Mar. 07, 1893 | W.A. Aberg | Wrench | wrench jaw components |
| 513,619 | Jan. 30, 1894 | J.T. Pedersen | Wrench | wrench jaw components |
| 525,318 | Aug. 28, 1894 | S.M. Friede | Compound Action Monkey Wrench | angle adjustable wrenches |
| 525,683 | Sep. 04, 1894 | S.M. Friede | Combined Pipe, Ratchet and Monkey Wrench | |
| 525,684 | Sep. 04, 1894 | S.M. Friede | Combined Monkey and Pipe Ratchet Wrench | screw adjust wrenches |
| 530,419 | Dec. 04, 1894 | S.J. Johnston | Combination tool | brace wrenches |
| 534,064 | Feb. 12, 1895 | F. Hansen | Wrench | angle adjustable wrenches |