Multifocal optical device with novel phase zone plate
IL88348A0Inactive Publication Date: 1989-06-30ALLEN L COHEN
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Patent Information
- Application Number
- IL88348
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1988-08-26
- Filing Date
- 1988-11-10
- Publication Date
- 1989-06-30
- Estimated Expiration
- Not applicable · inactive patent
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