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BI-DIRECTIONAL COMMUNICATION SYSTEM, DISPLAY APPARATUS, BASE APPARATUS AND BI-DIRECTIONAL COMMUNICATION METHOD

09/906,922 | U.S. Patent Application

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Location ELECTRONIC
Filed July 16, 2001
Examiner ABBAS ABDULSELAM, I
Class 345
Art Group 2674
Patent No. 6,930,661
Case Type Utility - 345/087000
Status Patented Case
Child 11/108,240 Patented
Child 11/108,241 Patented
Child 11/108,531 Patented
Child 11/108,203 Patented
Child 11/519,583 Patented
Child 2000-215359
Last Updated: 4 years, 9 months ago
Date # Transaction