ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,439,859, issued on Oct. 14.
"Stackable raising seedling device and method using the same" was invented by Wen-Yang Chen (Taoyuan, Taiwan), Huan-Wun Chen (Taoyuan, Taiwan) and Wen-Chin Tsai (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stackable raising seedling device has a device body and a floating planting board. The device body has raising seeding hole parts disposed at intervals and holes disposed intervals. The raising seeding hole pans and the holes are staggered in parallel and with each other along a first direction, the raising seeding hole part and the holes are staggered in parallel with each other along a second directio...