| All Patents in class 279/78 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 5,087 | Apr. 24, 1847 | M. Andrews | Bitstock | brace chucks |
| 39,419 | Aug. 04, 1863 | O. Peck | Pivoted jaw engaging notch on shank: closed by screw or sleeve | brace chucks |
| 40,275 | Oct. 13, 1863 | O. Peck | Improvement in attaching bits to braces | brace chucks |
| 40,412 | Oct. 27, 1863 | C.F. Hunter | Holding bits in their sockets | brace chucks |
| 50,480 | Oct. 17, 1865 | C.E. Lombard | Bit stock | brace chucks |
| 81,260 | Aug. 18, 1868 | S.W. Davis | Improvement in bit-stocks | brace chucks |
| 106,754 | Aug. 23, 1870 | C.P. Whitman | Improvement in bit-stocks | brace chucks |
| 116,090 | Jun. 20, 1871 | W.S. Pattin | Improvement in Extension-Shanks for Boring-Bits | drill bit extensions |
| 163,896 | Jun. 01, 1875 | D.F. Sutton | Improvement in bit-stocks | brace chucks |
| 254,719 | Mar. 07, 1882 | E.T. Starr | Lathe Head | dental apparatus |
| 463,440 | Nov. 17, 1891 | W. Cameron | Bit-stock | |
| 591,088 | Oct. 05, 1897 | I. Barker | Tool Chuck | drilling and boring tool holders |
| 684,903 | Oct. 22, 1901 | I. Barker | Tool Chuck | drilling and boring tool holders |
| 759,042 | May 03, 1904 | W.B. Swan | Bit-Extender | drill bit extensions |
| 810,230 | Jan. 16, 1906 | W.B. Swan | Bit-Extender | drill bit extensions |
