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POSITIVE EXPIRATORY PRESSURE DEVICE

11/311,733 | U.S. Patent Application

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Filed Dec. 19, 2005
Examiner DIXON, ANNETTE FREDRICKA
Class 128
Art Group 3771
Patent No. 7,699,054
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 1 month, 3 weeks ago
Date # Transaction