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Patents for O. M. Gottschall
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
274,048Mar. 13, 1883E.R. StilwellFeed-water heater and purifierfeedwater apparatus
278,196May 22, 1883E.R. StilwellFeed-water heaterfeedwater apparatus
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