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All Patents of Type: water filters
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,374XAug. 20, 1834I. WisemanFiltering machine for purifying water
113,516Apr. 11, 1871B. HollyWater Filter
CA-47,257Oct. 12, 1894H.E. MoffatFeed-water purifierfeedwater apparatus
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