| All Patents in class 81/180.1 |
Patents 16 -
30
of 66
      |
| Number | Date | Patentee | Title | Type |
| 232,937 | Oct. 05, 1880 | G.A. Chapman | Pipe Cutter and Wrench | combination tools |
| 265,704 | Oct. 10, 1882 | T.C. Rice | Carriage Wrench | axle nut wrenches |
| 287,378 | Oct. 23, 1883 | H. Herbert | Pipe Tongs and Cutter | pipe tongs |
| 314,572 | Mar. 31, 1885 | C.J. Hirlinger, J. Forshey | Wrench | wrench handle components |
| 333,961 | Jan. 05, 1886 | J. Lussier | Improved Combination Rotary Wrench | angle adjustable wrenches |
| 343,940 | Jun. 15, 1886 | H.H. Wilson | Wrench | pipe wrenches |
| 382,712 | May 15, 1888 | W.C. Marr | Pliers | pliers |
| 391,655 | Oct. 23, 1888 | B.F. Smith | Tap or Die Stock | tap wrenches and die stocks |
| 409,476 | Aug. 20, 1889 | J.H. Loso | Combined Wagon-Wrench and Oil-Can | axle nut wrench combination tools |
| 414,615 | Nov. 05, 1889 | J. Walker | Tension Registering Wrench | torque wrenches |
| 421,892 | Feb. 25, 1890 | H.A. Tripp, A.J. Barber | Pipe Wrench | pipe wrenches |
| 436,073 | Sep. 09, 1890 | G.E. Clow, B. Clow | Nut Wrench | screw adjust wrenches |
| 439,071 | Oct. 21, 1890 | W.H. Huston | Combined Nut Wrench and Tool | wrench combination tools |
| 439,918 | Nov. 04, 1890 | J. Wilkes | Attachement For Wrenches | wrench handle components |
| 444,778 | Jan. 13, 1891 | C.V. Greenamyer | Bench Clamp For Pipe Tongs and Wrenches | pipe and chain vises |
