ALEXANDRIA, Va., June 6 -- United States Patent no. D1,072,134, issued on April 22, was assigned to Ningbo Sincere Holding Group Co. Ltd (Ningbo, China).
"Pitching machine" was invented by Wenguang Lu (Ningbo, China).
The patent was filed on Jan. 11, 2023, under Application No. D/882,172.
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