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| All Patents in class 409/245 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,984,974 | Dec. 18, 1934 | F.J. Lapointe | Broaching machine | broaching machines | |
| 2,002,924 | May 28, 1935 | M. Romaine, E.G. Roehm | Broaching Machine | broaching machines | |
| 2,063,756 | Dec. 08, 1936 | E.G. Roehm, M. Romaine | Broaching Machine | broaching machines | |
| 2,203,803 | Jun. 11, 1940 | A.H. Hawley, Sr., E.D. Vancil | Broaching Machine | broaching machines | |
| 2,751,822 | Jun. 26, 1956 | B.P. Schiltz | Broaching machine with anti-chatter control | broaching machines | |