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All Patents in class 407/17 | |||||
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Picture | Number | Date | Patentee | Title | |
2,392,823 | Jan. 15, 1946 | F.J. Lapointe | Broach | ||
2,998,634 | Sep. 05, 1961 | R.N. Clifton, E.C. Raehrs | Broaching Tool | ||
3,262,183 | Jul. 26, 1966 | E.C. Raehrs | Broaching Tool |