| All Patents in class 279/37 |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 48,346 | Jun. 20, 1865 | M.V. Nobles | Bit stock socket with split sleeve held by slip ring |
 | 54,990 | May 22, 1866 | W. Wimmer | Securing bits in braces |
 | 99,317 | Feb. 01, 1870 | R.S. Hildreth | Improvement in bit-stocks |
 | 144,123 | Oct. 28, 1873 | D.A. Newton | Bit-stock |
 | 269,902 | Jan. 02, 1883 | H. Wheeler | Socket Wrench |
 | 290,218 | Dec. 18, 1883 | C.W. Drake | Screw holding screwdriver |
 | 323,198 | Jul. 28, 1885 | G.H. Packwood | Bit-stock |
| | 354,485 | Dec. 14, 1886 | R.W. Perry | Bit holder |
| | 423,386 | Mar. 11, 1890 | J.W. Miller | Bit Chuck |
 | 567,588 | Sep. 15, 1896 | J.M. Flower | Wrench |
