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| Patents for William S. Tinsdale | |||||
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| Number | Date | Patentee | Title | Type | |
| 542,461 | Jul. 09, 1895 | J.L. Bogert | Milling-machine | milling machines | |
| 554,047 | Feb. 04, 1896 | J.L. Bogert | Changeable-speed gearing | metalworking machine gearing | |