System for enhancing audio and / or visual presentation
IL87715A0Inactive Publication Date: 1989-02-28AVTR SYSTEMS INC
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Patent Information
- Application Number
- IL87715
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1988-09-08
- Publication Date
- 1989-02-28
- Estimated Expiration
- Not applicable · inactive patent
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