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METHOD AND APPARATUS FOR HYDROGEN SULPHIDE REMOVAL

14/93,371 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 29, 2013
Examiner TIMOTHY C VANOY
Class 423
Art Group 1736
Patent No. 9,243,200
Case Type Utility - 423/220000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 61/731,691 Expired
Last Updated: 1 year, 3 months ago
Date # Transaction