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* [https://wikipatents.org/index.php?title=Special:Search&search=0272557 US 0272557]🔗 ...5 U.S.C. 103 as being unpatentable over Smith et al. (U.S. PG Pub No. 2019/0272557 September 5, 2019 - hereinafter "Smith”) in view of Ariyibi (U.S. PG Pub No ...