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Patents for F. E. Rogers
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
87,413Mar. 02, 1869B. HollySupply Regulator for Water Workswater regulators
94,746Sep. 14, 1869B. HollyWater Workswater distribution systems
94,747Sep. 14, 1869B. HollyWater Pipe Safety Valvewater valves
94,748Sep. 14, 1869B. HollyAutomatic Regulating Valvewater regulators
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