ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,366, issued on May 27, was assigned to GUANGZHOU WONDFO BIOTECH Co. LTD. (Guangzhou, China).

"Sample loading bottom plate and immunochromatography detection apparatus containing sample loading bottom plate" was invented by Xuan Meng (Guangzhou, China), Jiaming Du (Guangzhou, China) and Xirong Huang (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sample loading bottom plate (300,600, 810, 820, 831) and an immunochromatography detection apparatus (10) containing the sample loading bottom plate (300, 600, 810, 820, 831). During design of the sample loading bottom plate (300, 600, 810, 820, 831), a sample loading portion (310, 833) ha...