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OPENING/CLOSING CONTROL DEVICE AND OPENING/CLOSING CONTROL METHOD

17/457,762 | U.S. Patent Application

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Filed Dec. 6, 2021
Examiner Cortez M Cook
Class 318
Art Group 2846
Patent No. 11,970,896
Case Type Utility
Status Patented Case
Last Updated: 1 day, 13 hours ago
Date # Transaction