US Patent Issued on July 21 for "Closure device and method for preserving oxidizable products" (California Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,541, issued on July 21.

"Closure device and method for preserving oxidizable products" was invented by Chang Chyan Liow (Windsor, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A closure device for a container to provide a combined protection of inert gas and oxygen scavenger methods. The closure device comprises a body, a fastening member, one or more plurality of protrusions, a blister, a hollow shaft, and a seal member. The closure device is removably coupled to an open end of the container through a fastening assembly. The fastening assembly includes at least one of friction fit, a snap fit, a screw fit, or any of a variety of fastening m...