US Patent Issued to YUJOO on Nov. 25 for "Underwater concrete block structure and construction method therefor" (South Korean Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,273, issued on Nov. 25, was assigned to YUJOO Co. LTD. (Busan, South Korea).

"Underwater concrete block structure and construction method therefor" was invented by Sangki Kim (Busan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A constructing method of an underwater concrete block structure, includes: a first concrete block fabrication step, a guide pole installation step, a first concrete block installation step, a second concrete block fabrication step, a second concrete block installation step, a drainage step, a guide pole removal step, and a concrete column formation step. A concrete column and a first concrete block is firmly cou...