| All Patents in class 30/102 |
Patents 46 -
60
of 64
      |
| Number | Date | Patentee | Title | Type |
| 580,429 | Apr. 13, 1897 | F.E. Snyder | Wrench | pipe tongs |
| 584,180 | Jun. 08, 1897 | M. Levendusky | Combined Pipe Wrench And Cutter | pipe wrenches |
| 630,925 | Aug. 15, 1899 | P.H. Poppert | Pipe Wrench and Cutter | pipe wrenches |
| 635,220 | Oct. 17, 1899 | G.S. Adams | Combination Too | combination tools |
| 638,759 | Dec. 12, 1899 | G.W. Prinzing | Combination Tool | pipe and nut combination wrenches |
| 639,162 | Dec. 12, 1899 | R. Fjellman | Pipe Wrench | pipe wrenches |
| 667,143 | Jan. 29, 1901 | E.E. Tryon | Combined Wrench and Cutter | wrench combination tools |
| 680,866 | Aug. 20, 1901 | A. Katzki | Pipe Cutter | pipe cutters |
| 703,741 | Jul. 01, 1902 | G.E. Rothenbucher | Combination Wrench | pipe wrenches |
| 721,660 | Mar. 03, 1903 | C.S. Bonney | Pipe Wrench and Cutter | pipe and nut combination wrenches |
| 767,199 | Aug. 09, 1904 | J.G. Baker | Improved Combination Wrench With Pipe-Cutting Attachment | pipe and nut combination wrenches |
| 799,539 | Sep. 12, 1905 | H.A. Corwin | Combination Wrench | pipe and nut combination wrenches |
| 951,367 | Mar. 08, 1910 | W. DuCharme | Combination Tool | wrench combination tools |
| 1,077,951 | Nov. 04, 1913 | E.E. Beck | Cutting implement | pipe cutters |
| 1,155,136 | Sep. 28, 1915 | C.A. Dies | Wrench | pipe wrenches |
