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Patents Granted on 1943-03-23
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-411,259Mar. 23, 1943H.H. AsbridgeWork Gauging Instrument for Precision Grinding Machines
2,314,558Mar. 23, 1943P.S. RusselApparatus for and Method of Air Conditioningair conditioning apparatus
2,314,589Mar. 23, 1943S. MandlJack Assemblage
2,314,623Mar. 23, 1943G.M. Walraven, K.R. LarsonRatchet Mechanismratchet wrenches
2,314,665Mar. 23, 1943H.C. SpechtTool Holdermetalworking machine tool holders
2,314,827Mar. 23, 1943R.M. HortvetProcess for extracting pure nitrogen from air
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