ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,389,839, issued on Aug. 19, was assigned to HOHAI UNIVERSITY (Jiangsu, China).
"Method for overwintering and cold resistance of grapevines" was invented by Yufeng Gao (Suzhou, China), Yulin Fang (Suzhou, China), Lei Hang (Suzhou, China), Kekun Zhang (Suzhou, China) and Yaqing Gao (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for overwintering and cold resistance of grapevines, the vines are covered with a biological solidification layer, and the method includes the following steps: placing stems of the vines in rows on a ground, and digging soil between the rows to cover the vines and stems in the rows to form a soi...