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METHOD FOR CLEANING AND MAINTAINING WATER DELIVERY SYSTEMS

09/921,843 | U.S. Patent Application

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Location ELECTRONIC
Filed Aug. 3, 2001
Examiner PETER A HRUSKOCI
Class 210
Art Group 1724
Patent No. 6,767,470
Case Type Utility - 210/699000
Status Patented Case
Parent 60/223,215 Expired
Parent 60/280,447 Expired
Child 90/13,123 -
Child 90/13,837 -
Child PCT/US01/24457 Published
Last Updated: 4 years, 6 months ago
Date # Transaction