Application
19248541 · COMPOSITE MATERIAL FOR ACOUSTIC TRANSDUCER DIAPHRAGM
Filed 2025-06-25 · Granted · Patent 12520083 (2026-01-06) The official file ↗The patent and its PDF ↗ · Art unit 2691 · Examiner Sunita Joshi Typical · CPC H04R 7/125 · ORA GRAPHENE AUDIO INC. · NORTON ROSE FULBRIGHT CANADA LLP
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