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Pat. 11020926 United States, Int. Cl.22 B30B 15/00, B21D 43/02, B30B 15/14, B30B 15/26, H02M 7/00, B21D 37/00, H02M 7/04. Voltage signal adaptor for machine press communication : Appl. N 15/208150 : Filed 12.07.2016 : Pub. 01.06.2021 : / Dale A. Lewis, Edward F. Flaga, Ralph H. Gibbs ; Assignee Toyota Motor Engineering and Manufacturing North America Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11020926/en?oq=US11020926.html (дата обращения: ДД.ММ.ГГГГ).