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DECORATIVE VALVED TRACHEOSTOMY DEVICE

10/80,748 | U.S. Patent Application

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Filed Feb. 22, 2002
Examiner WEISS JR, JOSEPH
Class 128
Art Group 3743
Patent No. 6,789,542
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child 10/858,826 Abandoned
Last Updated: 4 days, 4 hours ago
Date # Transaction