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| Patents for M. Gertrude Ady | |||||
| Number | Date | Patentee | Title | Type | |
| 944,002 | Dec. 21, 1909 | T.B. Williams, F.L. Smith | Valve-disk-cutting machine | automotive tools | |
| 980,019 | Dec. 27, 1910 | F.L. Smith, T.B. Williams | Valve-disk-cutting machine | ||