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All Patents of Type: goniometers
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
56,013Jul. 03, 1866W.W. CooperGoniometergoniometers
655,004Jul. 31, 1900S.L. PenfieldContact Goniometergoniometers
655,005Jul. 31, 1900S.L. PenfieldContact Goniometergoniometers
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