| All Patents in class 81/144 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 255,853 | Apr. 04, 1882 | J.C. Gunn | Wrench | ratchet wrenches |
| 382,975 | May 15, 1888 | B.R. Hagar | Wrench | pipe wrenches |
| 406,666 | Jul. 09, 1889 | J.H. Lane, F.J. Pratt | Combination Wrench | wrench combination tools |
| 412,373 | Oct. 08, 1889 | P.R. Erickson | Nut Wrench | nut wrenches |
| 451,183 | Apr. 28, 1891 | G.F. Hall | Wrench | quick adjust wrenches |
| 482,198 | Sep. 06, 1892 | J. Ryan | Improvement in Pipe-Wrenches | quick adjust wrenches |
| 487,331 | Dec. 06, 1892 | J.W. Kellam | Adjustable Flange Wrench | flange wrenches |
| 516,281 | Mar. 13, 1894 | R.S. Rust | Wrench | quick adjust wrenches |
| 528,644 | Nov. 06, 1894 | W.G. Orcutt | Ratchet Wrench | ratchet wrenches |
| 548,355 | Oct. 22, 1895 | J.W. Cushman | Wrench | bicycle or pocket wrenches |
| 566,176 | Aug. 18, 1896 | H. Hunt, Jr., H. Hunt | Combination Tool | bicycle or pocket wrenches |
| 608,735 | Aug. 09, 1898 | W.J. Walker | Wrench | quick adjust wrenches |
| 613,213 | Oct. 25, 1898 | W.F. Murphy | Wrench | wrench adjustment types |
| 646,086 | Mar. 27, 1900 | J.T. Viles | Wrench | combination tools |
| 648,803 | May 01, 1900 | B. Shaw | Wrench | quick adjust wrenches |
