Invention Grant
- Patent Title: Optical device
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Application No.: US5215635Application Date: 1935-11-29
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Publication No.: US2174003APublication Date: 1939-09-26
- Inventor: IVES HERBERT E
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US5215635 1935-11-29
- Main IPC: G03B35/24
- IPC: G03B35/24
Information query
