[1] US Patent No. 4,409,503 "Threshold-less collision detection and bit arbitration in a CFSK data system", Oct 11, 1983.
[2] US Patent No. 4,434,421 "Method for digital data transmission with a bit- echoed arbitration", Feb 28, 1984 (jointly with L.T.Baker, P.Huber).
[3] US Patent No. 4,438,519 "Methods and apparatus for transmitting high-bit rate digital data in power line communication media having high harmonic noise content", Mar 20, 1984.
[4] US Patent No. 4,468,792 "Method and apparatus for data transmission using chirped-frequency-shift-keying modulation",Aug 28, 1984 (jointly with L.T.Baker, G.W.Ellis, C.M.Puckette).
[5] US Patent No. 4,477,809 "Method for random-access radio-frequency data communications", Oct 1984.