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Patents for Samuel Hall | |||||
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Picture | Number | Date | Patentee | Title | |
7,779X | Nov. 01, 1833 | S. Hall | Steam engines, lubricating the pistons, piston rods, valves, cocks, etc. | ||
8,477X | Oct. 30, 1834 | S. Hall | Lubricating pistons of steam engines | ||
8,478X | Oct. 30, 1834 | S. Hall | Steam engine | ||
5,529 | Apr. 25, 1848 | S. Hall | Plow |