| All Patents in class 81/437 |
Patents 1 -
15
of 62
      |
| Number | Date | Patentee | Title | Type |
| 48,027 | May 30, 1865 | A.W. Park | Boardman Combination Tool | combination tools |
| 56,166 | Jul. 10, 1866 | B. Boardman | Improved Tool | wrench combination tools |
| 81,970 | Sep. 08, 1868 | E.J. Amor | Combined Screw-Driver and Wrench | screwdrivers |
| 84,142 | Nov. 17, 1868 | W.S. Smoot | Improved Form of Combined Claw-Hammer, Wrench and Screw-Driver | combination tools |
| 108,377 | Oct. 18, 1870 | G.H. Miller | Combined Tool | combination tools |
| 188,243 | Mar. 13, 1877 | W.D. Gold | Improvement in Wrenches | screwdriver handles |
| 190,119 | May 01, 1877 | B.L. Budd | Improvement in Screw-Drivers | screwdrivers |
| 303,752 | Aug. 19, 1884 | G.B. Sanborn | Monkey Wrench | screw adjust wrenches |
| 338,707 | Mar. 30, 1886 | H. Bornstein | Wrench | wrench combination tools |
| 363,331 | May 17, 1887 | W.J. Hammer | Combination Tool | combination tools |
| 366,322 | Jul. 12, 1887 | C.H. Johnson | Combination Tool | wrench combination tools |
| 366,439 | Jul. 12, 1887 | T. Troy | Reversible Screw Driver | screwdriver mechanisms |
| 370,048 | Sep. 20, 1887 | H.W. De Courtenay | Combination Wrench | bicycle or pocket wrenches |
| 406,666 | Jul. 09, 1889 | J.H. Lane, F.J. Pratt | Combination Wrench | wrench combination tools |
| 411,190 | Sep. 17, 1889 | B.A. Haines | Combined Wrench and Screw Driver | wrench combination tools |
