M. J. Wu, W. A. Sethares, and R. Vanderby, “Ultrasound Machine for Improved Longitudinal Tissue Analysis.” Assigned to WARF, 2010.

R. K. Martin, J. Balakrishnan, W. Chung, W. A. Sethares, and C. R. Johnson, Jr., "Methods and System for Equalizing Data in Multicarrier Receiver Systems" United Stated Patent number 7,230,984, issued June 2007.

J. Balakrishnan, W. A. Sethares, W. Chung, R. K. Martin and C. R. Johnson, Jr., "Method and apparatus for timing recovery based on dispersion characterization and components therefore," United States Patent #7106818, Sept., 2006.

R. K. Martin R. C. Williamson, and W. A. Sethares, "Apparatus and method for using adaptive algorithms to exploit sparsity in target weight vectors in an adaptive channel equalizer," US patent # 7,061,977, June 2006. Also European patent # 01970985.6-2415-US0128758 (4/03).

J. Meehan and W. A. Sethares, "Blind dual error antenna diversity (DEAD) algorithm for beamforming antenna systems,” US Patent # 6950477, Sept. 2005.

R.D. Morris and W. A. Sethares, “Distance Estimation Using Bidirectional Communications Without Synchronous Clocking,” invention disclosure NASA, Aug 2004.

R. Martin, J. Balakrishnan, W. Chung, C. Richard Johnson, Jr., and William A. Sethares "Methods and System for Equalizing Data in Multicarrier Reciever Systems" March 2003..

W. A. Sethares, J. Balakrishnan, and C. R, Johnson, Jr., "Approximate channel identification and sparsity initialization via d-signed correlator," provisional patent filed June 2000.

W. A. Sethares, W. Chung, C. R. Johnson, Jr., "An adaptive method of blind constellation de-rotation," provisional patent filed June 2000.

W. A. Sethares, "Method and apparatus for dissonance modification of audio signals," U.S. Patent # 5,504,270 August 1996.

W. A. Sethares and M. Nieuweboer, "Novelty integrated circuit chip figure," US Patent # 289,747, May 1987.