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Patents for William Helme
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
121,048Nov. 21, 1871L.R. FaughtHorse-power for driving cotton gins
123,774Feb. 20, 1872L.R. FaughtImprovement in horse-powers
132,205Oct. 15, 1872L.R. FaughtImprovement in pulley-belts
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