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Patents for E. E. Gibson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
91,387Jun. 15, 1869A. VaughanImproved post auger
107,861Oct. 04, 1870W. BowmanImprovement in circular-saw mills
108,326Oct. 18, 1870J. Hay, J.C. ButterfieldImprovement in trip-hammersdrop hammers
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