ALEXANDRIA, Va., April 12 -- ATC Materials, Westlake, Ohio, has been assigned a patent (No. 10,968,139, initially filed July 18, 2018) developed by Mark Hawthorne, Flagstaff, Arizona, for a "moldable silicon nitride green-body composite and reduced density silicon nitride ceramic process."

The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=10,968,139.PN.&OS=PN/10,9 . . .