Invention Grant
- Patent Title: Exposure meter
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Application No.: US25266339Application Date: 1939-01-24
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Publication No.: US2203209APublication Date: 1940-06-04
- Inventor: WESTON EDWARD F
- Applicant: WESTON ELECTRICAL INSTR CORP
- Assignee: Weston Electrical Instr Corp
- Current Assignee: Weston Electrical Instr Corp
- Priority: US25266339 1939-01-24
- Main IPC: G01J1/42
- IPC: G01J1/42
Information query
