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Patent

Scooterbug

Scooterbug

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United States Patent and Trademark Office

Yong Hang Jiang

G06Q 30/0645

G06K 17/00

G06K 7/1417

G07F 17/12

G07C 2009/00523

G07C 9/00309

G07C 9/00896

G07C 9/00571

G07C 9/00912