| All Patents in class 279/91 |
Patents 1 -
15
of 35
      |
| Number | Date | Patentee | Title | Type |
| 9,823X | Jul. 01, 1836 | W. Campbell | Awl handle | scribes |
| 16,931 | Mar. 31, 1857 | A.C. Moore | Method of securing bits in their stocks | brace chucks |
| 64,444 | May 07, 1867 | L.J. Parsons | Improvement in attaching bits to braces | brace chucks |
| 75,699 | Mar. 17, 1868 | F.P. Pfleghar | Bit-brace | brace chucks |
| 76,632 | Apr. 14, 1868 | S.B. Hill | Bit-brace | brace chucks |
| 87,816 | Mar. 16, 1869 | A.S. Alden | Bit-stock | brace chucks |
| 97,010 | Nov. 16, 1869 | C.P. Whitman | Bit-stock fastening | brace chucks |
| RE4,199 | Dec. 13, 1870 | A.C. Moore | Bit stock | braces |
| 143,473 | Oct. 07, 1873 | M. Stephens | Improvement in machines for punching sheet metal | metal punching machines |
| 161,031 | Mar. 23, 1875 | H.C. Hart | Bit-stock with rotating chuck | brace chucks |
| 208,168 | Sep. 17, 1878 | C.L. Griswold | Bit-stock | brace chucks |
| 210,075 | Nov. 19, 1878 | C.H. Amidon | Improvement in bit-braces | brace chucks |
| 223,146 | Dec. 30, 1879 | R.E. Kidder | Tool-Handle | tool handles |
| 281,568 | Jul. 17, 1883 | C. Schoch | Extension-Shank for Bits | drill bit extensions |
| 287,809 | Nov. 06, 1883 | W. Devereux | Screw-Driver | screwdriver mechanisms |
