| All Patents in class 409/331 |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
| | 12,076 | Dec. 12, 1854 | J. Stever | Machine for Scraping Metals |
 | 103,021 | May 17, 1870 | A.B. Couch | Shaping Metals |
 | 113,824 | Apr. 18, 1871 | W.H. Warren | Improvement in Shaping Machines |
 | 130,258 | Aug. 06, 1872 | W.H. Warren | Improvement in Slotting and Shaping Machines |
 | RE5,739 | Jan. 20, 1874 | W.H. Warren | Metal Shaping Machine |
| | 181,032 | Aug. 15, 1876 | W. Brede | Shaping Attachment for Engine Lathes |
| | 184,419 | Nov. 14, 1876 | G.A. Ohl | Metal-Shaping Machine |
| | 194,736 | Aug. 28, 1877 | H.M. Smith | Machines for Planing Off the Heads and Points of Rivets |
 | 305,520 | Sep. 23, 1884 | G. Juengst | Shaping and planing machines |
 | 377,969 | Feb. 14, 1888 | W.H. Warren | Shaping Machine |
