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| Patents for Warren F. French | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,725,690 | Dec. 06, 1955 | W.F. French | Cutter grinding mandrel with tooth rest | ||
| 2,754,634 | Jul. 17, 1956 | W.F. French | Tooth rests for cutter grinders | cutter grinding | |
| 2,787,094 | Apr. 02, 1957 | W.F. French | Cutter grinders | cutter grinding | |
| 3,073,076 | Jan. 15, 1963 | W.F. French | Radius cutter grinding machine | ||