US Patent Issued to HEAVY PLAY on Oct. 28 for "Card sleeves" (California Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,921, issued on Oct. 28, was assigned to HEAVY PLAY LLC (Burlingame, Calif.).

"Card sleeves" was invented by Randy Yang Chiang (Burlingame, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, a card sleeve system includes an outer sleeve. According to some examples, the outer card sleeve includes an outer front sheet. The outer card sleeve may include an outer back sheet coupled to the outer front sheet along an outer bottom edge, an outer left edge, and an outer right edge of the outer sleeve. In some examples, an outer top edge of the outer card sleeve defines an outer opening configured to receive an inner card sleeve. Accordin...