Patents:

1.   “Digital Radio Lock Detector”, - US 6,404,825,   June 11, 2002 – (inventor D. Efstathiou).

2.   “Method and Structure for Combined Digital Matched Filtering, Digital Amplitude Gain Estimation and Carrier Frequency Offset Estimation at the Receiver in Digital Signal Transmission”, US 6,504,867, January 7,2003  (inventor D. Efstathiou).

3.   “Universal Signal Modulator”, US 7,180,384, February 20, 2007 (inventors D. Efstathiou, K. Gentile)

4.   Digital Re-configurable Core for Multi-Mode Base-band Transmitter”, US 7,248,646, July 24, 2007 (inventor D. Efstathiou)