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POSITIVE EXPIRATORY PRESSURE DEVICE WITH BYPASS

10/396,218 | U.S. Patent Application

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Location ELECTRONIC
Filed March 24, 2003
Examiner MITAL B PATEL
Class 128
Art Group 3743
Patent No. 7,059,324
Case Type Utility - 128/200240
Status Patented Case
Parent 09/449,208 Patented
Child 11/311,733 Patented
Last Updated: 3 years, 3 months ago
Date # Transaction