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LOCOMOTIVE DYNAMIC BRAKING GRID PACKAGE CONFIGURATION

11/156,400 | U.S. Patent Application

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Filed June 20, 2005
Examiner Helena Kosanovic
Class 454
Art Group 3762
Patent No. 7,721,855
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 2 days, 10 hours ago
Date # Transaction