All Patents in class 72/373 |
Patents 1 -
7
of 7
      |
Picture | Number | Date | Patentee | Title |
 | RE86 | Sep. 10, 1846 | J. Nasmyth | Improvement in machinery or apparatus operated by steam for forging, stamping, and cutting iron and other substances |
 | 46,401 | Feb. 14, 1865 | E.C. Stiles | Milling Machine |
 | 112,255 | Feb. 28, 1871 | W.A. Ives | Improvement in Methods of Forming Spur Lips of Auger Bits |
 | 623,384 | Apr. 18, 1899 | E. Rogers | Axe/Hatchet Making |
 | 960,244 | Jun. 07, 1910 | W.G. Allen | Manufacture of Screws |
 | 1,838,470 | Dec. 29, 1931 | F.J. Vlchek | Manufacture of Swaged and Tempered Articles |
| 2,100,564 | Nov. 30, 1937 | E.M. Pfauser, S. Mandl | Method of Producung a Pulling Strees and Hydraulic Pulling Mechanism |