| All Patents in class 81/152 |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 686,437 | Nov. 12, 1901 | G.W. Boozer | Wrench | quick adjust wrenches |
| 690,407 | Jan. 07, 1902 | F.W. Dent | Wrench | wrench jaw components |
| 696,406 | Apr. 01, 1902 | R.A. Breul | Wrench | quick adjust wrenches |
| 753,837 | Mar. 08, 1904 | L.C. Barcus | Monkey Wrench | quick adjust wrenches |
| 766,145 | Jul. 26, 1904 | W.N. Greer | Wrench | quick adjust wrenches |
| 797,489 | Aug. 15, 1905 | E.L. Bellman | Wrench | self-adjust wrenches |
| 827,612 | Jul. 31, 1906 | P. Broadbooks | Friction Clutch for Vises, Lifting Jacks, Clamps, or the Like | vises |
| 851,397 | Apr. 23, 1907 | P. Broadbooks | Quick Sliding Bench Vise | bench vises |
| 1,120,751 | Dec. 15, 1914 | A.E. Smiley | Wrench | quick adjust wrenches |
| 1,392,391 | Oct. 04, 1921 | F.E. Bartz | Quick Adjustable Monkey Wrench | quick adjust wrenches |
| 2,391,143 | Dec. 18, 1945 | A.C. Ertner | Wrench | quick adjust wrenches |
| 5,005,449 | Apr. 09, 1991 | D.L. Gatzemeyer, J.A. Sorensen | Hand Tool or Improved Bar Clamp | clamps |
