| All Patents of Type: sheet metal |
Patents 1 -
10
of 42
      |
| Picture | Number | Date | Patentee | Title |
| | 6,618X | Jul. 20, 1831 | E.M. Converse | Machinery for Manufacturing Tin Ware |
 | 4,924 | Jan. 13, 1847 | A. Heaton | Spinning Sheet Metal |
 | 5,389 | Dec. 11, 1847 | A.W. Whitney | Sheet-Metal Roller Tool |
 | 7,836 | Dec. 17, 1850 | J.F. Flanders | Machinery for Cutting and Binding Sheet Metal |
| | 16,337 | Jan. 06, 1857 | J.J. Laubach | Grooving Sheet-Metal |
| | 31,347 | Feb. 05, 1861 | W.H. Beach | Improved Machine for Swaging Sheet Metal |
 | 39,155 | Jul. 07, 1863 | G.R. Boynton, J.M. Le Count | Making Sap-Spiles |
 | 46,261 | Feb. 07, 1865 | S. Pennock | Edging Sheet-Metal |
 | 83,347 | Oct. 20, 1868 | P.A. Whitney, A.W. Whitney | Machine for Bending and Folding Sheet Metal |
| | 124,123 | Feb. 27, 1872 | W.C. Eiseman | Improvement in Machines for Bending Metal |
