ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,594, issued on May 20.

"Manually operated retractable shade system" was invented by John Cao (Boca Raton, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A retractable shade system for attachment to a boat structure is disclosed. The retractable shaded system can include a housing removeable attachable to the existing boat structure. A pair of telescoping swing arms are pivotally connected at opposite ends of the housing, where the pair of swing arms are moveable between a folded and unfolded position. A retractable cover connected to the housing and movable between a furled position and an unfurled position. When the in the furled position, the...