ALEXANDRIA, Va., April 21 -- United States Patent no. D1,122,987, issued on April 21, was assigned to FUJIAN SNOWMAN COMPRESSOR Co. LTD (Fuzhou, China).
"Screw compressor" was invented by Deqiang Wei (Fuzhou, China) and Tuo Huang (Fuzhou, China).
The patent was filed on Nov. 19, 2024, under Application No. D/973,785.
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