| All Patents in class 81/53.2 |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 232,923 | Oct. 05, 1880 | A. Beard | Wrench | pipe wrenches |
| 289,110 | Nov. 27, 1883 | D.E. Kempster | Hand Drilling Machine | ratchet drills |
| 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device | tap and die holders |
| 348,185 | Aug. 31, 1886 | J.D. Bowman | Improvement in Stud-Wrenches | wrenches |
| 552,343 | Dec. 31, 1895 | J.D. White | Wrench | wrench jaw components |
| 578,421 | Mar. 09, 1897 | E.H. Reed | Stay-Bolt Wrench or Chuck | wrenches |
| 603,825 | May 10, 1898 | M. Barber | Bit-stock | hand drills |
| 632,812 | Sep. 12, 1899 | F.A. Errington | Stud Setting Machine | stud setting machines |
| 651,306 | Jun. 05, 1900 | C. Gabriel | Stay Bolt Wrench | wrenches |
| 692,988 | Feb. 11, 1902 | A.S. Davis | Drill-chuck | drill chucks |
| 1,105,535 | Jul. 28, 1914 | J.O. Roberts | Screw Extractor | screw extractors |
| 1,162,197 | Nov. 30, 1915 | V.J. Wahlstrom | Chuck | |
| 1,224,801 | May 01, 1917 | E. Sprung | Stud Extractor and Tightener | stud extractors |
| 1,371,965 | Mar. 15, 1921 | P. York | Port Plug Wrench | automotive specialty wrenches |
| 1,395,939 | Nov. 01, 1921 | E.G. Hurlbut, F.A. Barnes | Stud Driver | stud drivers |
