| All Patents in class 279/78 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 5,087 | Apr. 24, 1847 | M. Andrews | Bitstock |
 | 39,419 | Aug. 04, 1863 | O. Peck | Pivoted jaw engaging notch on shank: closed by screw or sleeve |
 | 40,275 | Oct. 13, 1863 | O. Peck | Improvement in attaching bits to braces |
 | 40,412 | Oct. 27, 1863 | C.F. Hunter | Holding bits in their sockets |
 | 50,480 | Oct. 17, 1865 | C.E. Lombard | Bit stock |
 | 81,260 | Aug. 18, 1868 | S.W. Davis | Improvement in bit-stocks |
 | 106,754 | Aug. 23, 1870 | C.P. Whitman | Improvement in bit-stocks |
 | 116,090 | Jun. 20, 1871 | W.S. Pattin | Improvement in Extension-Shanks for Boring-Bits |
 | 163,896 | Jun. 01, 1875 | D.F. Sutton | Improvement in bit-stocks |
| | 254,719 | Mar. 07, 1882 | E.T. Starr | Lathe Head |
