| All Patents in class 72/472 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 62,793 | Mar. 12, 1867 | L. Wetherell | Improvement in Forging Hammers | hammers |
| 80,027 | Jul. 14, 1868 | J. Swan | Improvement in the Manufacture of Auger-Bits | making drills and augers |
| 94,920 | Sep. 14, 1869 | N.C. Smith | Die for Spring Calipers | 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 | tool making machines |
| 146,217 | Jan. 06, 1874 | H.H. Warren | Dies for Forming Hammer-Eyes | hammers |
| 147,796 | Feb. 24, 1874 | J. Sandage | Machines for Swaging Plowshares | drop hammers |
| 149,765 | Apr. 14, 1874 | J.R. Lindsay | Manufacture of Hammer Heads | tool making machines |
| 153,885 | Aug. 11, 1874 | C.E. Billings | Improvements in Dies For Forging Lathe-Dogs | tool making machines |
| 183,096 | Oct. 10, 1876 | J. Yerkes | Improvement in the Manufacture of Adz-Eye Hammers | hammers |
| 189,232 | Apr. 03, 1877 | E. Rieckel, H.W. Kip | Dies For Making Hammers | hammers |
| 294,698 | Mar. 04, 1884 | N.C. Stiles | Die for forming pulley-centers | pulley making machines |
| 318,312 | May 19, 1885 | G. Selsor | Die for making hatchets | making axes |
| 398,910 | Mar. 05, 1889 | J. Swan | Die for Making Chisels | making chisels |
| 670,742 | Mar. 26, 1901 | J. Swan | Die for Making Chisels | making chisels |
