| All Patents in class 72/381 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 22,529 | Jan. 04, 1859 | R. Fitts | Method of bending wood | chair maker |
| 41,822 | Mar. 01, 1864 | I. Tower, estate of (deceased) | Machine to make Augers | making drills and augers |
| 148,748 | Mar. 17, 1874 | G.H. Perkins | Machine for Stamping and Bending Sheet Metal | stamping presses |
| 490,060 | Jan. 17, 1893 | W.J. Bayrer | Machine for cutting and bending sheet metal | cutting and trimming machines |
| 1,507,007 | Sep. 02, 1924 | F.H. Sleeper | Wire-forming machine | spring making machines |
| 2,400,354 | May 14, 1946 | J. Jensen | Rivet setting tool | riveting tools |
| 2,552,616 | May 15, 1951 | C.J. Bath | Multiple Tangent Bender | metal bending machines |
