| All Patents in class 279/76 |
Patents 1 -
10
of 65
      |
| Picture | Number | Date | Patentee | Title |
 | 9,814X | Jun. 30, 1836 | J. Taylor | Bit stock |
 | 12,868 | May 15, 1855 | E.W. Nichols | Augers and braces (securing bits in their sockets) |
 | 33,899 | Dec. 10, 1861 | C. Morrill | Bit brace with clam action chuck to engage bit recess |
 | 37,196 | Dec. 16, 1862 | D. Kelly | Securing bits in stock: recessed bit shank |
 | 44,822 | Oct. 25, 1864 | C.B. Rose | Mode of securing bits in braces |
| | 51,133 | Nov. 28, 1865 | L. Bronson | Improved Tool for Squaring the Ends of Shafting |
 | 52,042 | Jan. 16, 1866 | J.P. Gordon | Bit holders for braces |
 | 162,874 | May 04, 1875 | W. Wells | Auger-Bit Extension |
 | 196,354 | Oct. 23, 1877 | S. Harris | Improvement in Combined File and Screwdriver |
 | 201,379 | Mar. 19, 1878 | C.H. Amidon | Improvement in bit-braces |
