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METHOD AND SYSTEM FOR TREATING DRINKING WATER

07/972,795 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Nov. 6, 1992
Examiner NEIL MCCARTHY
Class 210
Art Group 1308
Patent No. 5,314,629
Case Type Utility - 210/754000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 4 years, 11 months ago
Date # Transaction