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Patents Granted on 1983-12-13
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,419,824Dec. 13, 1983J. OberhansDigital Electrial Length Measuring Instrumentmeasurement gauges
4,420,677Dec. 13, 1983E.J. PartingtonHeating system
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