| All Patents in class 279/91 |
Patents 1 -
10
of 35
      |
| Picture | Number | Date | Patentee | Title |
 | 9,823X | Jul. 01, 1836 | W. Campbell | Awl handle |
 | 16,931 | Mar. 31, 1857 | A.C. Moore | Method of securing bits in their stocks |
 | 64,444 | May 07, 1867 | L.J. Parsons | Improvement in attaching bits to braces |
 | 75,699 | Mar. 17, 1868 | F.P. Pfleghar | Bit-brace |
 | 76,632 | Apr. 14, 1868 | S.B. Hill | Bit-brace |
 | 87,816 | Mar. 16, 1869 | A.S. Alden | Bit-stock |
 | 97,010 | Nov. 16, 1869 | C.P. Whitman | Bit-stock fastening |
 | RE4,199 | Dec. 13, 1870 | A.C. Moore | Bit stock |
 | 143,473 | Oct. 07, 1873 | M. Stephens | Improvement in machines for punching sheet metal |
 | 161,031 | Mar. 23, 1875 | H.C. Hart | Bit-stock with rotating chuck |
