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Flash type optic pen

09/501,989 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Feb. 11, 2000
Examiner Y MY QUACH LEE
Class 362
Art Group 2875
Patent No. 6,390,641
Case Type Utility - 362/118000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 5 years ago
Date # Transaction