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All Patents in class 73/335.06
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,138,082May 04, 1915W.H. CarrierHygrostat or thermostatic device
1,554,785Sep. 22, 1925W.H. CarrierHumidity regulator
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