ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,420, issued on July 1, was assigned to BELCO PACKAGING SYSTEMS INC. (Monrovia, Calif.).

"Vertical sealer apparatus and methods of vertically sealing" was invented by Keith Bergen (Fullerton, Calif.) and David Ian MacNeil (Glendale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical sealer apparatus includes at least one conveyor for receiving objects to be wrapped in a vertical orientation with films from two film sources and for conveying the objects in a downstream direction from before and after they are wrapped along a conveying path, as well as an over for shrinking the films onto the objects. Methods of vertically sealing objects ...