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Patents for Frederic E. Gardner | |||||
Number | Date | Patentee | Title | Type | |
1,784,231 | Dec. 09, 1930 | F.E. Gardner | Grinding machine | disk sanders | |
2,007,967 | Jul. 16, 1935 | F.E. Gardner | Grinding machine | belt sanders | |
2,056,182 | Oct. 06, 1936 | F.E. Gardner | Grinding machine | disk sanders |