| All Patents in class 72/372 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 9,000 | Jun. 08, 1852 | J. Orelup | Process for Making Axes | axes |
| 45,850 | Jan. 10, 1865 | W.T. Nicholson | Improved Machine for Forging File Blanks | tool making machines |
| 233,634 | Oct. 26, 1880 | C.B. Morse | Axle for railroad-cars | railroad car axles |
| 1,118,073 | Nov. 24, 1914 | W.S. Thomson | Process of Making Threaded Tool Members and Blanks for the Same | pipe wrenches |
| 2,199,343 | Apr. 30, 1940 | E.J. Lapointe | Method of reclaiming broach tools | broaches |
| 2,358,304 | Sep. 19, 1944 | S.A. Cogsdill | Method of Making Oil Hole Twist Drills | metalworking twist drills |
| 2,444,719 | Jul. 06, 1948 | C.J. Bath | Method and Apparatus for Contouring Elongated Metal Stock While Under Tension | metal stretch forming machines |
| 2,778,401 | Jan. 22, 1957 | E.D. Wilkerson | Camber Correcting Method and Means | |
