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Pat. 11515827 United States, Int. Cl.22 H02P 27/08, B60L 15/08, B60L 50/51, G01R 19/165, H02M 7/5387, H02P 25/18. Load control device having an illuminated rotary knob : Appl. N 17/071532 : Filed 15.10.2020 : Pub. 29.11.2022 : / Gregory S. Altonen, Chris Dimberg, Matthew P. Mcdonald, Nikhil V. Bhate, Rebecca Michalski ; Assignee Lutron Technology Co LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11515827/en?oq=US11515827.html (дата обращения: ДД.ММ.ГГГГ).