ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,873, issued on Sept. 15.

"Systems and methods for excavation" was invented by Richard Strickland Jr. (Whitesburg, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A construction equipment including an implement is disclosed. The construction equipment includes a laser reading unit removably mounted on a construction equipment body. The laser reading unit may read a laser signal projected by a laser projecting unit and establish a reference point. The reference point may be a point at which the laser reading unit reads the laser signal projected by the laser projecting unit. The construction equipment further includes an altimeter that may measure...