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| Patents for American Broach & Machine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,408,521 | Oct. 01, 1946 | F.J. Lapointe | Broaching machine | broaching machines | |
| 2,571,904 | Oct. 16, 1951 | C.O. Lofgren | Broaching machine | broaching machines | |
| 2,643,585 | Jun. 30, 1953 | F.J. Lapointe, E.J. Lapointe | Broaching machine | broaching machines | |