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All Patents of Type: broach sharpening machines | |||||
Number | Date | Patentee | Title | Type | |
2,113,287 | Apr. 05, 1938 | W.G. Baldenhofer | Machine for Grinding and Sharpening Broaches | broach sharpening machines | |
2,960,804 | Nov. 22, 1960 | S.G. Brady | Machine for Grinding the Back-Off from the Cutting Edges of Tools of the Broach Type | broach sharpening machines |