Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394922 | Hydraulic control circuit with regeneration valve | Christopher Alan Williamson, Michael P. Chiaramonte, Sean Johnson, Justin H. Ayers, Brett J. Janson | 2016-07-19 |
| 7833097 | Game pad controller and system for portable communication device | Christopher Maddox, Mark J. Hassebrock, Philip Hobson Boothby, Michael D. Johnson, Craig Ronald Townsend | 2010-11-16 |
| D544481 | Mobile telephone gamepad controller | Christopher Maddox, Mark J. Hassebrock, Philip Hobson Boothby, Michael D. Johnson, Craig Ronald Townsend | 2007-06-12 |
| 4985804 | Microcomputer housing and ventilation arrangement | W. Carroll Campbell, Michael W. Evans, Edward A. Browning, Jr. | 1991-01-15 |
| 4943762 | Power supply system | W. Carroll Campbell, Michael W. Evans, Edward A. Browning, Jr. | 1990-07-24 |