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Pat. 11075581 United States, Int. Cl.22 H02M 3/335, B60K 25/02, H02M 3/157. Methods and apparatus to use a switched-mode power supply as a source of power in a service pack : Appl. N 16/513127 : Filed 16.07.2019 : Pub. 27.07.2021 : / Alan F. Smith, Nathan J. Jochman ; Assignee Illinois Tool Works Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11075581/en?oq=US11075581.html (дата обращения: ДД.ММ.ГГГГ).