| All Patents in class 408/120 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 75,092 | Mar. 03, 1868 | T.A. Weston | Ratchet Brace or Lever | ratchet wrenches |
| 75,093 | Mar. 03, 1868 | T.A. Weston | Improvement in Ratchet-Brace Lever | ratchet wrenches |
| 172,854 | Feb. 01, 1876 | J.J. Grant | Improvement in Tap-Wrenches | tap wrenches and die stocks |
| 213,916 | Apr. 01, 1879 | S.W. Martin | Ratchet-Wrench | tap wrenches and die stocks |
| 231,361 | Aug. 17, 1880 | W.H. Richards | Ratchet Drill | ratchet drills |
| 300,604 | Jun. 17, 1884 | W.C. Hartmann | Die Stock | tap wrenches and die stocks |
| 342,119 | May 18, 1886 | J.W. Miller | Ratchet Wrench and Drill | ratchet wrenches |
| 429,525 | Jun. 03, 1890 | J. Herm | Ratchet-brace | ratchet braces |
| 501,862 | Jul. 18, 1893 | C.H. Bernheim | Adjustable Nut and Drill Ratchet Wrench | ratchet wrenches |
| 549,661 | Nov. 12, 1895 | A.A. Smith | Ratchet-drill | rail drilling machines |
| 680,931 | Aug. 20, 1901 | P.F. Maines | Brace | ratchet braces |
| 828,026 | Aug. 07, 1906 | R. Golling, W.A. Garrigus | Tool Holder | tap and die holders |
| 1,153,981 | Sep. 21, 1915 | W.W. Vosper | Thread-Cutting Tool. | tap and die holders |
| 1,227,514 | May 22, 1917 | T.B. Williams, F.L. Smith | Rotary cutter | automotive tools |
| 2,521,816 | Sep. 12, 1950 | R.B. Adams | Double spiral ratchet wrench | wrenches |
