| All Patents in class 279/56 |
Patents 1 -
15
of 86
      |
| Number | Date | Patentee | Title | Type |
| 4,187 | Sep. 11, 1845 | H.A. Roe | Improvement in Machinery for Bending Sheet Metal | sheet metal bending machines |
| 27,044 | Feb. 07, 1860 | J. Fox | Drill Chuck | drill press chucks |
| 35,856 | Jul. 08, 1862 | J.M. Horton | Improvement in shank-sockets for auger handles | brace chucks |
| RE2,229 | Apr. 17, 1866 | J.M. Horton | Improvement in Attaching Augers to their Handles | auger handles |
| 65,046 | May 28, 1867 | H.S. Bartholomew | Improvement in braces for boring-bits | brace chucks |
| 76,020 | Mar. 24, 1868 | D.R. Wight | Improvement in Awl-Handles | tool holders |
| 99,163 | Jan. 25, 1870 | J.A. Clippinger | Improvement in Shoemakers' Tools | cobbler |
| 103,281 | May 24, 1870 | H.S. Bartholomew | Bit-stock | brace chucks |
| RE4,187 | Nov. 29, 1870 | J.M. Horton | Improvement in Auger-Handles | auger handles |
| 113,680 | Apr. 11, 1871 | J.T. Lynam | Improvement in bit-braces | ratchet braces |
| 127,743 | Jun. 11, 1872 | G.B. Cunningham | Improvement in broom and brush holders | broom making machinery |
| 135,337 | Jan. 28, 1873 | L. Houston | Improvement in mortising machines | mortising machines |
| 140,451 | Jul. 01, 1873 | C.H. Amidon | Improvement in drill and bit stocks | hand drills |
| 141,345 | Jul. 29, 1873 | A.D. Goodell | Improvement in bit-stocks | brace chucks |
| 148,053 | Mar. 03, 1874 | T. Harrington | Improvement in Awl-Hafts | tool holders |
