ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,512, issued on May 27, was assigned to REBAR SUPPORT PRODUCTS INC. (Louisville, Ky.).

"Apparatus and method of vertically adjusting reinforcing support structure" was invented by Leif Bunting (Prospect, Ky.) and Roger Hardy Holland (West Chester, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical adjustment mechanism for adjusting the height or elevation of one or more support structures relative to the reference surface. A chair and spacer may be used to adjust the elevation of the one or more support structures. The spacer may include one or more retention clips and/or receptacles."

The patent was filed on Jan. 13, 2023, under Applica...