On December 13, 2016, the U.S. Patent and Trademark Office issued U.S. Patent No. 9,517,847 B2 to Dr. Michael Keidar, his former post-doc Alexey Shashurin, and former Ph.D. student Taisen Zhuang for “Micro-Cathode Thruster and a Method of Increasing Thrust Output for a Micro-Cathold Thruster.”
Dr. Keidar issued U.S. Patent No. 9,517,847 B2
December 14, 2016