| All Patents in class 81/129 |
Patents 31 -
45
of 46
      |
| Number | Date | Patentee | Title | Type |
| 597,101 | Jan. 11, 1898 | F.O. Collings | Wrench | quick adjust wrenches |
| 601,015 | Mar. 22, 1898 | J.H. Fitzgerald | Nut and Pipe Wrench | pipe and nut combination wrenches |
| 604,526 | May 24, 1898 | T.J. Fowler | Pipe Wrench | pipe wrenches |
| 612,454 | Oct. 18, 1898 | M. Blackwell | Pipe Wrench | pipe wrenches |
| 618,245 | Jan. 24, 1899 | M.D. Converse | Monkey Wrench | quick adjust wrenches |
| 618,485 | Jan. 31, 1899 | W.R. Smythe | Wrench | quick adjust wrenches |
| 627,466 | Jun. 27, 1899 | A.W. Ashworth, R. Ashworth | Wrench | wrench jaw components |
| 628,218 | Jul. 04, 1899 | A.W. Ashworth, R. Ashworth | Wrench | pipe wrenches |
| 631,056 | Aug. 15, 1899 | W.E. Berry, I.S. Van Etten | Pipe Wrench | pipe wrenches |
| 784,876 | Mar. 14, 1905 | J. Offermann | Wrench | nut wrenches |
| 790,853 | May 23, 1905 | J.F. Reddy | Flange Wrench | flange wrenches |
| 928,150 | Jul. 13, 1909 | E.M. Peterson | Pipe Wrench | pipe wrenches |
| 996,462 | Jun. 27, 1911 | D.N. Curtis | Improved Wrench for Jewelers and Instrument Makers | quick adjust wrenches |
| 1,529,605 | Mar. 10, 1925 | C.F. Muncey | Wrench | self-adjust wrenches |
| 1,570,627 | Jan. 26, 1926 | W.H. Barber, E.J. Evans | Pipe Wrench | pipe wrenches |
