ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,481, issued on June 17, was assigned to J. C. Bamford Excavators Ltd. (Uttoxeter, Great Britain).
"Working machine" was invented by Duncan Andrew Smith (Uttoxeter, Great Britain), Nigel Young (Uttoxeter, Great Britain) and David Price (Uttoxeter, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine includes either front and rear wheels or a pair of endless tracks supporting an undercarriage, a drive arrangement including a prime mover configured to provide motive power to propel the working machine, a superstructure connected to the undercarriage via a rotary connector, and a working arm connected to the superstructure. The...