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Patents Granted on 1923-02-06
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,444,565Feb. 06, 1923J.C. SmithGaugemeasurement gauges
1,444,729Feb. 06, 1923D.E. CarlsonValve Spring Liftervalve spring tools
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