| All Patents in class 279/81 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 10,307 | Dec. 13, 1853 | J. Comstock | Bit stock of braces |
 | 10,853 | May 02, 1854 | J. Allender | Operating catch in tool-holders |
 | 44,823 | Oct. 25, 1864 | C.B. Rose | Method of securing bits in braces |
| | 403,083 | May 14, 1889 | M.L. Andrew | Drill Chuck |
 | 494,631 | Apr. 04, 1893 | A. Fleurant | Chuck Or Holder For Tools, & c. |
| | 525,573 | Sep. 04, 1894 | M.L. Andrew | Bit shank and chuck |
| | 582,413 | May 11, 1897 | S.B. Davis | Bit-stock |
 | 666,507 | Jan. 22, 1901 | Z.T. Furbish | Drill bit, &c., Chuck |
 | 666,511 | Jan. 22, 1901 | Z.T. Furbish | Supplementary Drill Chuck |
 | 1,041,451 | Oct. 15, 1912 | T.J. Fegley, G.O. Leopold | Means for attaching blades of tools to handles |
