ALEXANDRIA, Va., July 15 -- United States Patent no. D1,131,825, issued on June 23, was assigned to Hangzhou Biotest Biotech Co. LTD. (Hangzhou, China).

"Test card for immunoassay" was invented by Zhenxing Zhang (Hangzhou, China).

The patent was filed on Feb. 20, 2025, under Application No. D/990,250.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1131825&OS=D1131825&RS=D1131825

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