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Patents Granted on 1983-12-??
Patents 1 - 4 of 4
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
CA-1,158,923Dec. 20, 1983M.J. NealAdjustable vortex pump
4,421,443Dec. 20, 1983P.J. Finet, R.T. WoythalHigh Speed Machine Tool Spindle Assemblymetalworking machine mechanisms
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