| All Patents in class 72/374 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 45,103 | Nov. 15, 1864 | M. Wells | Machine for making sheet-metal ware |
 | 56,602 | Jul. 24, 1866 | H.W. Pell | Improved Dies for Forming the Heads of Wrenches |
 | 66,009 | Jun. 25, 1867 | J.S. Farnsworth | Improvement in Dies for Swaging and Punching the Jaws of Wrenches |
 | 113,743 | Apr. 18, 1871 | A.G. Coes | Improvement in the Modes of Forming the Heads of Wrench-Bars |
 | 123,554 | Feb. 13, 1872 | L. Chapman | Improvment in the Manufacture of Wrench-Heads |
 | 137,052 | Mar. 25, 1873 | L. Chapman | Improvement in Dies for Forming Wrench-Heads |
 | 208,862 | Oct. 08, 1878 | J. Swan | Improvement in the Manufacture of Auger-Bits |
 | 341,915 | May 18, 1886 | E.R. Lawton, S.E. Jeralds | Manufacture of Handles for Cutlery |
| | 1,595,588 | Aug. 10, 1926 | W.L. Tuttle | Method and Apparatus for Making Wrench Sockets |
 | 2,182,922 | Dec. 12, 1939 | E.A. Heschel | Method of Producing a Socket Wrench Head |
