Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stephen R. Haarer0
Richard N. Anderson0
Date of Patent
January 19, 2021
Patent Application Number
16175170
Date Filed
October 30, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
A power assist module for use in roller tube driven products, such as roller shades. The module may be pre-wound prior to installation in a roller tube and retains its pre-wound condition, even after use, when removed from the roller tube.
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