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| All Patents in class 409/249 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,088,828 | Mar. 03, 1914 | F.J. Lapointe | Cutter-bar and bushing therefor | broaching machines | |
| 1,170,010 | Feb. 01, 1916 | M.A. Smith | Automatic metal-shaping machine | metal shapers | |
| 1,266,496 | May 14, 1918 | F.J. Lapointe | Key Seat Broaching Machine | broaching machines | |
| 2,079,700 | May 11, 1937 | W.D. Archea | Machine Tool Organization | metalworking machine lubrication | |
| 2,408,521 | Oct. 01, 1946 | F.J. Lapointe | Broaching machine | broaching machines | |