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PROTECTIVE BREATHING EQUIPMENT WITH FAST POSITIONING

09/700,117 | U.S. Patent Application

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Filed Jan. 2, 2001
Examiner WEISS JR, JOSEPH
Class 128
Art Group 3761
Patent No. 6,470,887
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 4 days ago
Date # Transaction