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Patents Granted on 1953-04-07
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,633,678Apr. 07, 1953H.F. SmithMachine Tool and Method of Operationmetalworking machine mechanisms
2,633,777Apr. 07, 1953J.H. HoernIndexing mechanism for station type machinesvertical boring mills
2,634,404Apr. 07, 1953T.F. CarmichaelPhase indicator
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