| All Patents in class 81/168 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 620,652 | Mar. 07, 1899 | B. Swearingen, L.K. Hollyman | Combined Nut and Pipe Wrench | pipe and nut combination wrenches |
| 625,457 | May 23, 1899 | W.C. McCowan | Wrench | screw adjust wrenches |
| 643,540 | Feb. 13, 1900 | J. Rumery | Combined Ratchet-Drill and Monkey Wrench | wrench jaw components |
| 703,741 | Jul. 01, 1902 | G.E. Rothenbucher | Combination Wrench | pipe wrenches |
| 725,103 | Apr. 14, 1903 | R.J. Lockhart | Improved Chain Wrench | chain and strap wrenches |
| 735,504 | Aug. 04, 1903 | R.P. Hart | Wrench | axle nut wrenches |
| 1,076,793 | Oct. 28, 1913 | O.W. Seipel | Wrench | angle adjustable wrenches |
| 1,319,945 | Oct. 28, 1919 | W.L. Bessolo | Quick Adjustable Wrench | nut wrenches |
| 1,639,831 | Aug. 23, 1927 | J. Zilliox | Wrench | wrench adjustment locks |
| 2,624,222 | Jan. 06, 1953 | A.R. Joy | Plumber's Spud-Wrench | screw adjust wrenches |
