ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,798, issued on Sept. 30, was assigned to BAUER Maschinen GmbH (Schrobenhausen, Germany).

"Mast element, in particular leader element, for a construction machine" was invented by Josef Haas (Schrobenhausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a mast element, in particular a leader element, for a construction machine, with an elongate hollow mast profile which, at a front side, is provided along a mast longitudinal direction with two guide strips through which a linear guide for a mast carriage is formed along the front side. According to the invention, provision is made that at least one guide strip is des...