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10/308,271 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 4, 2002
Examiner REN LUO YAN
Class 101
Art Group 2854
Patent No. 6,732,639
Case Type Utility - 101/127000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 4 years, 9 months ago
Date # Transaction