ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,629, issued on March 25, was assigned to Tundra Compoistes LLC (White Bear Lake, Minn.).

"Apparatus and methods for sintering" was invented by Kurt Heikkila (Marine on the Saint Croix, Minn.) and Rodney Williams (Stacy, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an apparatus and methods for sintering particulate to make a workpiece."

The patent was filed on Dec. 7, 2020, under Application No. 17/315,607.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=122576...