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| Patents for Frank B. Hall | |||||
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| Number | Date | Patentee | Title | Type | |
| 601,506 | Mar. 29, 1898 | C.D. Eames | Tongs | pipe wrenches | |
| 1,369,652 | Feb. 22, 1921 | F.B. Hall | Octagon Line & Surface Level | line levels | |