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All Patents in class 55/457
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
400,391Mar. 26, 1889E. BretneyDust-collectorwaste collection mechanisms
943,233Dec. 14, 1909J. BoyleExhaust-mufflermufflers
2,732,032Jan. 24, 1956A.G. SandisonDust collectorwaste collection mechanisms
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