US Patent Issued to PROTREND on April 14 for "Concave square tube lifting storage shelf" (Taiwanese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,227, issued on April 14, was assigned to PROTREND Co. LTD. (Taipei City, Taiwan).

"Concave square tube lifting storage shelf" was invented by Shun-Yi Chen (Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A concave square tube lifting storage shelf is provided. The concave square tube lifting storage shelf includes a plurality of post components, two fixed storage layers and a plurality of moveable storage layers. These post components each include a concave square tube, with each concave square tube comprising a concave plate. Each fixed storage layer includes a fixed shelf and a first assembly component, with the first assembly ...