| All Patents in class 279/40 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 51,173 | Nov. 28, 1865 | D.W. Goodell | Bit stock |
 | 82,179 | Sep. 15, 1868 | J.W. Thompson, M.F. Thompson | Bit-stock |
 | 126,395 | May 07, 1872 | W.A. Ives | Improvement in bit-braces |
 | 258,764 | May 30, 1882 | W.A. Ives | Bit-stock |
 | 275,860 | Apr. 17, 1883 | E.E. Rose | Bit-brace fastening |
 | 284,275 | Sep. 04, 1883 | J. Chantrell | Bit-stock |
 | 288,748 | Nov. 20, 1883 | J. Watson | Bit-brace |
 | 306,690 | Oct. 14, 1884 | R.D. Johnson | Bit-stock (chuck) |
| | 526,314 | Sep. 18, 1894 | F.M. Hay | Bit-stock (with fast-acting rotary chuck) |
| | 800,258 | Sep. 26, 1905 | M. Barber | Tool Holder |
