Monthly Archives: December 2013

Patent 8604681: Cold Cathodes and Ion Thrusters and Methods of Making and Using Same

United States Patent no. 8,604,681, issued on Dec. 10, was assigned to Georgia Tech Research Corp. (Atlanta). “Cold cathodes and ion thrusters and methods of making and using same” was invented by William Judson Ready (Atlanta) and Mitchell L. R. … Read the rest of this entry