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VARIABLE FORCE BRAKE FOR A WINDOW COVERING OPERATING SYSTEM

14/481,152 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 9, 2014
Examiner JOHNNIE A SHABLACK
Class 160
Art Group 3634
Patent No. 9,988,837
Case Type Utility - 160/170000
Status Patented Case
Parent 61/877,488 Expired
Parent 13/939,699 Patented
Parent 61/671,212 Expired
Last Updated: 5 years, 2 months ago
Date # Transaction