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AIR FILTRATION SYSTEM INCLUDING A HELMET ASSEMBLY

10/188,656 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed July 2, 2002
Examiner RODNEY M LINDSEY
Class 002
Art Group 3765
Patent No. 6,622,311
Case Type Utility - 002/171300
Status Patented Case
Parent 09/764,697 Patented
Child 10/625,309 Abandoned
Child 11/8,313 Patented
Last Updated: 5 years, 2 months ago
Date # Transaction