K.M. Walsh, J.T. Lin, W. Hnat, M. Crain, J. Naber and D. Jackson, “MEMS-based Capacitive Cantilever Strain Sensor”, Patent Disclosure 9/24/03.
W. Hnat, J. Naber and K. Walsh, “Wireless Strain Sensor for Spinal Fusion Surgery” – Patent Disclosure 5/01/03.

D.J. Jackson, T.J. Roussel, Jr., M.M. Crain, R.P. Baldwin, R.S. Keynton, J.F. Naber, and K.M. Walsh, "Interface Circuit for Capillary Electrophoresis Microchip Devices," Patent Disclosure 2/08/02.

D.J. Jackson, T.J. Roussel, Jr., M.M. Crain, R.P. Baldwin, R.S. Keynton, J.F. Naber, and K.M. Walsh, "An Improved Geometry for Capillary Electrophoresis Microchip Devices," Patent Disclosure 2/08/02.

D.J. Jackson, T.J. Roussel, Jr., M.M. Crain, R.P. Baldwin, R.S. Keynton, J.F. Naber, and K.M. Walsh, "Miniature Battery Powered High Voltage Power Supply for Capillary Electrophoresis," Patent Disclosure 2/08/02.

D.J. Jackson, T.J. Roussel, Jr., M.M. Crain, R.P. Baldwin, R.S. Keynton, J.F. Naber, and K.M. Walsh, "Amperometric Electrochemical Detection Circuit," Patent Disclosure 2/08/02.

M.M. Crain, K.M. Walsh, T.J. Roussel, Jr., D.J. Jackson, R.P. Baldwin, R.S. Keynton, J.F. Naber, and J.G. Edelen, "A Fully Integrated Microfabricated Capillary Electrophoresis Device with "On-Chip" Electrochemical Detection," Patent Disclosure 2/08/02.

W. K. Pitts, K. M. Walsh, and K. Solberg, "Radiation Detector Based on Charge Amplification in a Gaseous Medium", Patent Number 5,614,722, March 25, 1997.

W. K. Pitts, K. M. Walsh, and K. Solberg, "Optical Imaging System Utilizing a Charge Amplification Device", patent no. 5,602,397, Feb. 11, 1997.