| All Patents in class 81/53.2 |
Patents 1 -
10
of 32
      |
| Picture | Number | Date | Patentee | Title |
 | 232,923 | Oct. 05, 1880 | A. Beard | Wrench |
 | 289,110 | Nov. 27, 1883 | D.E. Kempster | Hand Drilling Machine |
| | 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device |
 | 348,185 | Aug. 31, 1886 | J.D. Bowman | Improvement in Stud-Wrenches |
 | 552,343 | Dec. 31, 1895 | J.D. White | Wrench |
 | 578,421 | Mar. 09, 1897 | E.H. Reed | Stay-Bolt Wrench or Chuck |
 | 603,825 | May 10, 1898 | M. Barber | Bit-stock |
| | 632,812 | Sep. 12, 1899 | F.A. Errington | Stud Setting Machine |
 | 651,306 | Jun. 05, 1900 | C. Gabriel | Stay Bolt Wrench |
 | 692,988 | Feb. 11, 1902 | A.S. Davis | Drill-chuck |
