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Patents for John L. Edwards Jr.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
504,003Aug. 29, 1893J.A. TrautMarking-Gagemarking gauges
511,377Dec. 26, 1893J.A. TrautSpirit-Levelmetallic levels
517,208Mar. 27, 1894C.E. BillingsCaliper Gagemeasurement gauges
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