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Patents for William Helme | |||||
Number | Date | Patentee | Title | Type | |
121,048 | Nov. 21, 1871 | L.R. Faught | Horse-power for driving cotton gins | animal powered apparatus | |
123,774 | Feb. 20, 1872 | L.R. Faught | Improvement in horse-powers | animal powered apparatus | |
132,205 | Oct. 15, 1872 | L.R. Faught | Improvement in pulley-belts | industrial machine pulleys and belt drive mechanisms |