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SIGNAL PROCESSING APPARATUS

08/943,511 | U.S. Patent Application

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Location ELECTRONIC
Filed Oct. 6, 1997
Examiner ERIC FRANK WINAKUR
Class 600
Art Group 3736
Patent No. 6,263,222
Case Type Utility - 600/310000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 08/572,488 Patented
Parent 08/132,812 Patented
Child 09/111,604 Patented
Child 90/12,403
Child 90/20,097
Child 10/779,033 Patented
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Last Updated: 2 years, 3 months ago
Date # Transaction