All Patents in class 72/70 |
Patents 1 -
7
of 7
      |
Picture | Number | Date | Patentee | Title |
 | 5,994 | Jan. 02, 1849 | J.F. Flanders | Combined beading-tool and circular shears |
 | 7,836 | Dec. 17, 1850 | J.F. Flanders | Machinery for Cutting and Binding Sheet Metal |
| 158,920 | Jan. 19, 1875 | J. De Butt | Machines for Trimming and Beading Sheet-Metal |
| 349,963 | Sep. 28, 1886 | A. Willcox, J.D. Watson | Apparatus for Boring Cylinders |
| 439,496 | Oct. 28, 1890 | B.B. Farris | Boiler Flue Beader |
| 492,576 | Feb. 28, 1893 | W.H. Dayton | Machine for Swaging Wire, &c. |
| 568,594 | Sep. 29, 1896 | S. Zolot | Screw Point Swaging Mechanism |