| All Patents in class 409/270 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 1,855,766 | Apr. 26, 1932 | F.J. Lapointe | Broaching machine | broaching machines |
| 2,002,924 | May 28, 1935 | E.G. Roehm, M. Romaine | Broaching Machine | broaching machines |
| 2,024,253 | Dec. 17, 1935 | E.G. Roehm, M. Romaine | Broaching Machine | broaching machines |
| 2,041,551 | May 19, 1936 | F.J. Lapointe | Surface broach | broaching machines |
| 2,043,420 | Jun. 09, 1936 | E.G. Roehm | Broaching Machine | broaching machines |
| 2,044,494 | Jun. 16, 1936 | E.C. Bullard | Metalworking | |
| 2,044,495 | Jun. 16, 1936 | E.C. Bullard | Metal Working Apparatus | |
| 2,044,497 | Jun. 16, 1936 | B.P. Schiltz | Method of Machining Metallic Workpieces | |
| 2,047,034 | Jul. 07, 1936 | M. Romaine, E.G. Roehm | Broaching Machine | broaching machines |
| 2,052,248 | Aug. 25, 1936 | E.G. Roehm | Broaching Machine | broaching machines |
| 2,063,756 | Dec. 08, 1936 | E.G. Roehm, M. Romaine | Broaching Machine | broaching machines |
| 2,072,563 | Mar. 02, 1937 | A.H. Hawley, H.L. Pope, J.E. Lynch | Automatic Multiple Broaching Machine | broaching machines |
| 2,203,803 | Jun. 11, 1940 | A.H. Hawley, Sr., E.D. Vancil | Broaching Machine | broaching machines |
| 2,343,420 | Mar. 07, 1944 | J.W. Podesta | Broaching machine | broaching machines |
