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Patents for Benjamin Hall | |||||
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Number | Date | Patentee | Title | Type | |
1,229X | Mar. 08, 1810 | B. Hall | Ship carpenter's boring machines | drilling and boring | |
1,230X | Mar. 08, 1810 | B. Hall | Mitre point borer | drilling and boring | |
2,126X | May 13, 1814 | B. Hall | Still and condenser |