Assignee
OPTICAL SCIENCES GROUP INC
3 granted patents·51 citations·filing 1975–1976
Top patents by PatentIndex Score
3 records- 0155USD243288SOrthoptic therapy bar with prismsOPTICAL SCIENCES GROUP INC·Filed 1975·Granted Feb 1, 1977·7 cites·1 claims
- 0254US3992087AVisual acuity testerOPTICAL SCIENCES GROUP INC·Filed 1975·Granted Nov 16, 1976·37 cites·9 claims
- 0340US3994784AMetal replication of Glass dies by electroformingOPTICAL SCIENCES GROUP INC·Filed 1976·Granted Nov 30, 1976·7 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →