| All Patents in class 408/231 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 85,021 | Dec. 15, 1868 | C. Murdock | Improvement in cylindrical saw |
 | 167,165 | Aug. 31, 1875 | J.J. Grant | Improvement in die-stocks |
 | 168,349 | Oct. 05, 1875 | J.C. Sherman | Improvement in screw-cutting dies |
| | 260,314 | Jun. 27, 1882 | G.V. Sheffield, J.A. Parks | Drill Chuck |
| | 314,086 | Mar. 17, 1885 | H. Waas | Bung-cutter |
 | 333,170 | Dec. 29, 1885 | G.F. Stearns | Method of auger manufacture |
 | 339,544 | Apr. 06, 1886 | S.P. Graham | Combined boring-tool and holder |
 | 720,554 | Feb. 17, 1903 | C. Benesh | Combined Wrench and Thread Cutter |
 | 809,755 | Jan. 09, 1906 | W.F. Frenk, H.A. Smith | Tool |
 | 828,859 | Aug. 14, 1906 | J. Merckens | Combined Wrench and Thread Retracing Tool |
