Method and apparatus for maintaining a predetermined separation between plates
IL39937A0Inactive Publication Date: 1972-09-28RESEARCH FRONTIERS INC
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Patent Information
- Application Number
- IL39937
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1971-07-26
- Filing Date
- 1972-07-18
- Publication Date
- 1972-09-28
- Estimated Expiration
- Not applicable · inactive patent
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