ALEXANDRIA, Va., Dec. 16 -- United States Patent no. D1,106,404, issued on Dec. 16, was assigned to NTN Corp. (Osaka, Japan).
"Seal for flow control valve" was invented by Tomohiro Takada (Mie, Japan) and Ken Yasuda (Mie, Japan).
The patent was filed on Feb. 21, 2023, under Application No. D/520,106.
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