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AUDIO-VISUAL SYSTEM WITH TWO-WAY COMMUNICATION BETWEEN DEVICES

08/299,318 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Aug. 31, 1994
Examiner DEFINED NOT
Class 340
Art Group 2604
Patent No. 5,420,573
Case Type Utility - 340/825240
Status Patented Case
Parent 07/928,447 Abandoned
Child 3-215742
Last Updated: 5 years ago
Date # Transaction