ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,553, issued on Oct. 21, was assigned to Corelase Oy (Tampere, Finland).

"Laser processing apparatus and method" was invented by Jarno Kangastupa (Tampere, Finland) and Arto Salokatve (Tampere, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention concerns an apparatus and its use for laser welding. A laser welding apparatus comprise at least one first laser device, each providing at least one first optical feed fiber with a first laser beam; at least one second laser device, each providing at least one second optical feed fiber with a second laser beam; means for generating a composite laser beam comprising a first output laser beam a...