ALEXANDRIA, Va., July 4 -- Astronics AeroSat, Manchester, New Hampshire, has been assigned a patent (No. 10,700,793, initially filed Sept. 10, 2018) by five co-inventors for an "information transfer using discrete-frequency signals and instantaneous frequency measurement." The co-inventors are Richard P. Lizotte, Hudson, New Hampshire, Narasimhan Doriswamy, Pittsburg, California, Jonathan E. Epstein, Acton, Massachusetts, Rick A. Evans, Amherst, New Hampshire, and John M. Wilson, Hanover, New Ha . . .