ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,334, issued on June 2, was assigned to METACO INC. (Tokyo).

"Screen apparatus" was invented by Yasubumi Okachi (Kanagawa, Japan), Yuichiro Nishioka (Kanagawa, Japan) and Hiroaki Ishii (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjuster forming a free end of a guide which moves within the slidable frame in a Z-axis direction is connected to a guide unit at an opposite end in the Z-axis direction of the guide. Hollow first stoppers are provided at an end of the adjuster to which the first guide unit is connected, each first stopper having an open end and a closed end on opposite sides in the longitudinal direction of the adjuste...