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Reexamination of Patent No. 4,694,490, SIGNAL PROCESSING APPARATUS AND METHODS

90/6,800 | U.S. Patent Application

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Location ELECTRONIC
Filed Oct. 3, 2003
Examiner LYNNE HAMBLETON BROWNE
Class 380
Art Group 3992
Case Type Re-Examination - 380/234000
Status Reexamination Certificate Issued
Original Case 06/317,510 Patented
Last Updated: 5 months ago
Date # Transaction