ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,452, issued on Oct. 28, was assigned to Emerson Electric Co. (St. Louis).
"Vacuum conduit attachment tools" was invented by Matthew A. Williams (Bridgeton, Mo.), Jason E. Hill (St. Louis) and Christopher Burch (St. Louis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum conduit pipe adapter includes a hollow body extending from a first end to a second end, a vacuum conduit connector positioned at the second end of the hollow body and operable to connect the vacuum conduit pipe adapter to a vacuum system, and a pipe connector positioned at the first end of the hollow body. The pipe connector includes a plurality of cylindrical fitments, where e...