| All Patents in class 81/484 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 311,423 | Jan. 27, 1885 | T.P. Evans | Improved Canvas or Strap Buckler With Wrench | wrench combination tools |
| 852,846 | May 07, 1907 | J. Rabey | Device For Facilitating The Removal Of Valves | valve spring tools |
| 896,336 | Aug. 18, 1908 | B.A. Swenson | Valve Remover | valve spring tools |
| 977,245 | Nov. 29, 1910 | P.C. Wiest | Valve Remover | valve spring tools |
| 1,050,455 | Jan. 14, 1913 | E. Harrold | Cutter-head-knife-adjusting wrench | wrenches |
| 1,244,526 | Oct. 30, 1917 | L.G. Massicotte, G.C. Boswell | Valve Grinder | valve grinding tools |
| 1,544,520 | Jun. 30, 1925 | E.P. Putrow | Push-Rod Adjusting Tool | automotive specialty wrenches |
