All Patents in class 72/472 |
Patents 1 -
10
of 17
      |
Picture | Number | Date | Patentee | Title |
 | 62,793 | Mar. 12, 1867 | L. Wetherell | Improvement in Forging Hammers |
 | 80,027 | Jul. 14, 1868 | J. Swan | Improvement in the Manufacture of Auger-Bits |
 | 94,920 | Sep. 14, 1869 | N.C. Smith | Die for Spring Calipers |
 | 98,878 | Jan. 18, 1870 | J. Nicol | Improved Series of Dies For Forming Axles |
 | 108,502 | Oct. 18, 1870 | T. Meikle | Die For Swaging Wrenches |
 | 146,217 | Jan. 06, 1874 | H.H. Warren | Dies for Forming Hammer-Eyes |
| 147,796 | Feb. 24, 1874 | J. Sandage | Machines for Swaging Plowshares |
 | 149,765 | Apr. 14, 1874 | J.R. Lindsay | Manufacture of Hammer Heads |
 | 153,885 | Aug. 11, 1874 | C.E. Billings | Improvements in Dies For Forging Lathe-Dogs |
 | 183,096 | Oct. 10, 1876 | J. Yerkes | Improvement in the Manufacture of Adz-Eye Hammers |