ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,924, issued on Oct. 7, was assigned to Medway Plastics Corp. (Long Beach, Calif.).

"Stacking ring for chair bases" was invented by Thomas A. Hutchinson Jr. (Coto De Caza, Calif.), Richard E. Hutchinson (Lakewood, Calif.) and Gerald A. Hutchinson (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stacking ring for a chair base may be disposable between a first and second chair base such that the stacking ring generally prevents lateral movement of the first chair base relative to the second chair base. The stacking ring may be integrally formed to the chair base, or separate and disposable between at least two chair bases. The stacking ri...