ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,437, issued on May 6, was assigned to GustoMSC B.V. (Schiedam, Netherlands).

"Extendable lattice type crane boom, and method for operating a crane including an extendable boom" was invented by Wilhelmus Coenradus Johannes Jozephus Woldring (Rotterdam, Netherlands) and Mark Cornelius Marinus Franciscus Rommens (Maassluis, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Extendable lattice type crane boom (2) for a crane (1), the boom comprising a lattice type base boom section (2a) and at least one lattice type telescopic boom section (2b), wherein the at least one telescopic boom section is adjustable with respect to the base boom section ...