Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8212159 | Capacitive touchpad method using MCU GPIO and signal processing | — | 2012-07-03 |
| 7466146 | Frozen material detection using electric field sensor | Sergio Garcia de Alba Garcin, Rogelio Reyna Garcia, Gabriel Sanchez Barba, David L. Wilson | 2008-12-16 |
| 7443174 | Electric field reciprocal displacement sensors | Philip J. Sieh, William D. McWhorter | 2008-10-28 |
| 7432725 | Electrical field sensors for detecting fluid presence or level | Philip J. Sieh, Michael Steffen | 2008-10-07 |
| 7312654 | Quiet power up and power down of a digital audio amplifier | William Roeckner, Pallab Midya, Patrick L. Rakers, Lawrence E. Connell, Daniel Andrew Mavencamp | 2007-12-25 |
| 4812847 | Parallel port pass-through digital to analog converter | John L. Stewart | 1989-03-14 |