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Patents Granted on 1943-03-23
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,314,589Mar. 23, 1943S. MandlJack Assemblage
2,314,623Mar. 23, 1943G.M. Walraven, K.R. LarsonRatchet Mechanismratchet wrenches
2,314,827Mar. 23, 1943R.M. HortvetProcess for extracting pure nitrogen from air
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