ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,640, issued on Feb. 17, was assigned to LIFTUP A/S (Stovring, Denmark).

"Drive unit placement and access openings for a platform lifting system" was invented by Julie Giltoft Jensen (Stovring, Denmark) and Jonas Bruun Drejer (Stovring, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a platform lifting system (100) for transporting a person or an object from at least a first level to a second level, wherein the platform lifting system comprises: a drive unit (200), a platform (300), at least two vertical columns (400), a drive system (500), at least two access openings (600), wherein the drive unit (200) is mounted bet...