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| Patents for Francis M. Strong | |||||
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| Number | Date | Patentee | Title | Type | |
| 14,119 | Jan. 15, 1856 | T. Ross, F.M. Strong | Platform Scales | scales and balances | |
| 25,148 | Aug. 16, 1859 | T. Ross, F.M. Strong | Weighing-Scale | ||