A method of recovering precious metals from scrap electronics in part using microwaves is the subject of Patent No. 9,328,398, awarded to Shenzhen, China-based Gem Co., Ltd.
Patent No. 9,340,449, describing ceramic frit compositions including pulverized CRT glass, was given to Mississauga, Canada-based Nazim Muhammad.
For more information on these or any patents, please consult the U.S. Patent Office database at patft.uspto.gov.