ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,121, issued on April 15.
"Adjustable screed board" was invented by Will Joseph Richardet (Perryville, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable screed board includes an outer member elongated along a longitudinal axis of the adjustable screed board. The outer member includes a leveling surface. The adjustable screed board also includes an inner member elongated along the longitudinal axis and coupled to the outer member for sliding movement, relative to the outer member, along the longitudinal axis. The inner member includes a leveling surface configured to remain flush with the leveling surface of the outer member during relat...