Invention Grant
- Patent Title: Light-polarizing process and product
- Patent Title (中): 光偏振过程和产品
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Application No.: US59521156Application Date: 1956-07-02
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Publication No.: US2892382APublication Date: 1959-06-30
- Inventor: RYAN WILLIAM H , WALWORTH VIVIAN K
- Applicant: POLAROID CORP
- Assignee: Polaroid Corp
- Current Assignee: Polaroid Corp
- Priority: US59521156 1956-07-02
- Main IPC: G02B5/30
- IPC: G02B5/30
Information query
