ALEXANDRIA, Va., March 24 -- United States Patent no. D1,119,644, issued on March 24, was assigned to SITERWELL ELECTRONICS Co. Ltd. (Ningbo, China).
"Carbon monoxide alarm part" was invented by Shixi You (Ningbo, China), Haibo Zhang (Ningbo, China), Bin Liu (Ningbo, China) and Zhenxiao Ding (Ningbo, China).
The patent was filed on Nov. 1, 2024, under Application No. D/971,334.
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