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MODULAR WALL CLIMBING ROBOT WITH TRANSITION CAPABILITY

11/400,654 | U.S. Patent Application

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Filed April 7, 2006
Examiner Tony H Winner
Class 180
Art Group 3611
Patent No. 7,520,356
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 4 days, 7 hours ago
Date # Transaction