| All Patents in class 81/175 |
Patents 46 -
60
of 69
      |
| Number | Date | Patentee | Title | Type |
| 533,426 | Feb. 05, 1895 | P. Bartzen | Pipe Wrench And Cutter | |
| 577,250 | Feb. 16, 1897 | C. Grogan | Pipe Wrench | pipe wrenches |
| 584,180 | Jun. 08, 1897 | M. Levendusky | Combined Pipe Wrench And Cutter | pipe wrenches |
| 589,681 | Sep. 07, 1897 | H. Althoff | Wrench | quick adjust wrenches |
| 603,084 | Apr. 26, 1898 | V.G. Higgins | Tongs | blacksmith |
| 606,547 | Jun. 28, 1898 | B.J. Hillman | Combination Tools | pliers |
| 611,564 | Sep. 27, 1898 | J.M. Crump | Spoke Grip | spoke nipple wrenches |
| 612,712 | Oct. 18, 1898 | J.P. Doherty | Wrench | ratchet wrenches |
| 620,143 | Feb. 28, 1899 | C. Johnson | Wrench | ratchet wrenches |
| 639,700 | Dec. 26, 1899 | J. Asbury | Ratchet Wrench | ratchet wrenches |
| 645,665 | Mar. 20, 1900 | H.B. Hartford | Wrench | pipe wrenches |
| 737,847 | Sep. 01, 1903 | G.W. Johnson | Leader Pipe Wrench | pipe wrenches |
| 776,944 | Dec. 06, 1904 | H.H. Muggley, J.E. Richards | Wrench | quick adjust wrenches |
| 799,539 | Sep. 12, 1905 | H.A. Corwin | Combination Wrench | pipe and nut combination wrenches |
| 875,724 | Jan. 07, 1908 | E.E. Mullinix | Combination Tool | combination tools |
