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Patents for Willis Fay Aller
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,139,251Dec. 06, 1938W.F. AllerMeasuring Instrumentmeasurement gauges
2,216,795Oct. 08, 1940W.F. AllerMeasuring Instrumentmeasurement gauges
2,412,421Dec. 10, 1946W.F. Aller, L.F. PolkGauging Devicemeasurement gauges
2,419,433Apr. 22, 1947W.F. AllerComparator Gaugecomparators
2,436,528Feb. 24, 1948W.F. Aller, L.F. PolkScrew Thread Gaugethread gages
3,197,873Aug. 03, 1965W.F. AllerGaging Devicemeasurement gauges
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