ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,334, issued on June 17, was assigned to RWH CONSTRUCTIONS SERVICES Co. (Tampa, Fla.).
"Adjustable concrete form" was invented by Randy Hart (Tampa, Fla.), Joan Lastra (Tampa, Fla.), Lance Keller (Tampa, Fla.), Robert Portugues (Tampa, Fla.) and Torey Keller (Tampa, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Adjustable concrete forms, typically fabricated from steel, allowing variation in the height, tilt, and shape of the form of gravity wall sections. The adjustable concrete form includes adjustable height vertical and sloped walls to change the height of the form through the operation of built-in mechanical jacks, such as ball screw assem...