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Patents for Geneva Optical Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
703,725Jul. 01, 1902F. HardingeDiopter gageoptician
900,531Oct. 06, 1908F. HardingeLens measuring instrument
1,151,635Aug. 31, 1915A.T. WebbDiopter gageoptician
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