Invention Grant
- Patent Title: Trial-frame optometer.
- Patent Title (中): 试镜框OPTOMETER。
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Application No.: US1903178014Application Date: 1903-10-22
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Publication No.: US791808APublication Date: 1905-06-06
- Inventor: MCALLISTER JAMES COOK
- Applicant: MCALLISTER JAMES COOK
- Assignee: James Cook Mcallister
- Current Assignee: James Cook Mcallister
- Priority: US1903178014 1903-10-22
Information query
