Invention Grant
- Patent Title: Lens gauge
- Patent Title (中): 镜头规格
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Application No.: US10362626Application Date: 1926-04-21
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Publication No.: US1659969APublication Date: 1928-02-21
- Inventor: BAKER NELSON M
- Applicant: AMERICAN OPTICAL CORP
- Assignee: American Optical Corp
- Current Assignee: American Optical Corp
- Priority: US10362626 1926-04-21
- Main IPC: G01B5/22
- IPC: G01B5/22
Public/Granted literature
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