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| All Patents in class 409/269 | |||||
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| Number | Date | Patentee | Title | Type | |
| 141,091 | Jul. 22, 1873 | A.P. Stephens | Improvement in broaching-machines | tool making machines | |
| 2,024,252 | Dec. 17, 1935 | M. Romaine, E.G. Roehm | Broaching Machine | broaching machines | |
| 2,065,101 | Dec. 22, 1936 | M. Romaine | Broaching Machine Fixture | broaching machines | |
| 2,571,904 | Oct. 16, 1951 | C.O. Lofgren | Broaching machine | broaching machines | |