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Patents for Benjamin F. Merrill
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
16,081Nov. 11, 1856J.F. WilleyExcavatorexcavators
80,649Aug. 04, 1868B.F. MerrillImprovement in Gaugesspecial purpose gauges
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