ALEXANDRIA, Va., June 9 -- United States Patent no. D1,072,735, issued on April 29, was assigned to Vigorpool Inc. (Flushing, N.Y.).
"Energy storage and power supply device" was invented by Zhichao Xu (Flushing, N.Y.).
The patent was filed on Sept. 20, 2021, under Application No. D/808,437.
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