All Patents in class 279/90 |
Patents 1 -
10
of 22
      |
Picture | Number | Date | Patentee | Title |
 | 9,939 | Aug. 16, 1853 | A.H. McKinley | Socket for auger handles or braces |
 | 12,289 | Jan. 23, 1855 | A.W. Streeter | Centre-fastening bit |
 | RE737 | Jun. 14, 1859 | A.W. Streeter | Improvement in Fastening Centre-Bits |
 | 54,650 | May 08, 1866 | O. Peck | Improvement in bit-braces |
 | 69,086 | Sep. 24, 1867 | J.B. Fellows | Boring-bit brace |
 | 84,523 | Dec. 01, 1868 | F.A. Wood | Improvement in bit-braces |
 | 221,986 | Nov. 25, 1879 | C.S. Wells | Improvement in Screw-Drivers |
 | 268,460 | Dec. 05, 1882 | F.J. Colvin | Brace head for bits and braces |
| 402,132 | Apr. 30, 1889 | A.G. Berry | Rod Coupler |
 | 634,016 | Oct. 03, 1899 | C.F. Mueller | Tuning Hammer |