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CATALYZED SCR FILTER AND EMISSION TREATMENT SYSTEM

95/1,744 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 7, 2011
Examiner CARLOS N LOPEZ
Class 502
Art Group 3991
Case Type Re-Examination - 502/074000
Status Reexamination Certificate issued
Parent 12/28,300 Patented
Last Updated: 4 years, 2 months ago
Date # Transaction