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All Patents of Type: flue cleaners
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
217,570Jul. 15, 1879J. Aitchison, J.F. DoolittleBoiler Flue Cleanerflue cleaners
433,100Jul. 29, 1890L.I. SeymourFlue Cleanerflue cleaners
441,858Dec. 02, 1890G.S. SmithBoiler Flue Cleanerflue cleaners
513,176Jan. 23, 1894C.E. DaveyFlue Cleanerflue cleaners
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