ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,299, issued on June 10, was assigned to COPLUS INC. (Tainan, Taiwan).
"Fuel tank cap" was invented by Po-Hua Wu (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel tank cap includes a seal cap body and a detaching-proof unit. The cap body has a handheld wall and a surrounding wall that extends from the handheld wall and that is formed with an engaging groove. The detaching-proof unit includes a ring sleeve member and a connection member. The ring sleeve member has an outer ring wall that surrounds the surrounding wall, and a resilient wall that extends the outer ring wall and that is engaged resiliently with the engaging groove. Th...