| All Patents in class 81/58.3 |
Patents 16 -
30
of 35
      |
| Number | Date | Patentee | Title | Type |
| 923,420 | Jun. 01, 1909 | C.E. Drake | Wrench | alligator wrenches |
| 1,036,379 | Aug. 20, 1912 | F.A. Tibbals | Screwdriver | ratcheting screwdrivers |
| 1,121,668 | Dec. 22, 1914 | D. Gochenauer, N. Rusk | Wrench | ratchet wrenches |
| 1,203,853 | Nov. 07, 1916 | C. Contal | Extensible Tool | wrench handle components |
| 1,299,764 | Apr. 08, 1919 | D.J. Normoyle | Wrench | tap wrenches and die stocks |
| 1,321,005 | Nov. 04, 1919 | A. Bowman | Wrench | ratchet wrenches |
| 1,334,674 | Mar. 23, 1920 | A. Panitti, Jr. | Right angle Ratchet Screwdriver | ratcheting screwdrivers |
| 1,386,708 | Aug. 09, 1921 | J.C. Hurley | Wrench | ratchet wrenches |
| 1,396,591 | Nov. 08, 1921 | W.D. Reist | Double Grip Socket Wrench | socket wrenches |
| 1,407,110 | Feb. 21, 1922 | F.C. Wutke | Wrench | screw adjust wrenches |
| 1,435,288 | Nov. 14, 1922 | W.R. Smith, W.E. Gifford | Socket Ratchet Wrench | ratchet wrenches |
| 1,442,174 | Jan. 16, 1923 | H.F. Oberjohann | Power Means for Screw Driver or the Like | |
| 1,443,413 | Jan. 30, 1923 | J. Johnson | Socket Wrench | ratchet wrenches |
| 1,473,436 | Nov. 06, 1923 | G.O. Leopold | Handle for Socket Wrenches | wrench sockets |
| 1,521,331 | Dec. 30, 1924 | R.F. Sedgley | Clutch Wrench | ratchet wrenches |
