| All Patents in class 72/364 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 64,954 | May 21, 1867 | H. Disston | Improved Process of Treating Steel Blades |
 | 68,012 | Aug. 20, 1867 | J. Swan | Manufacture of Single Twist Augers |
 | 109,881 | Dec. 06, 1870 | T.S. Disston | Improved Process for concave/vex Circular blades |
 | 622,269 | Apr. 04, 1899 | E. Rogers | Axe/Hatchet Making |
 | 1,838,470 | Dec. 29, 1931 | F.J. Vlchek | Manufacture of Swaged and Tempered Articles |
 | 2,182,922 | Dec. 12, 1939 | E.A. Heschel | Method of Producing a Socket Wrench Head |
| | 2,417,569 | Mar. 18, 1947 | H.T. Rice | Method and Apparatus for Press Forging Wrench Sockets and the Like |
 | 2,572,492 | Oct. 23, 1951 | K.F. Kempf | Method of Making Adjustable Jaw Wrenches |
| | 4,936,124 | Jun. 26, 1990 | M.B. Martincic | Roll Forging Machine and Method |
