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All Patents of Type: router bits | |||||
Number | Date | Patentee | Title | Type | |
853,321 | May 14, 1907 | G.D. Richmond | Pattern-maker's tool | router bits | |
2,591,614 | Apr. 01, 1952 | E.P. Sacrey | Rotary cutter head with slotted bit seats | router bits |