Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7423532 | Determination of wheel sensor position using a single radio frequency detector in an automotive remote tire monitor system | William David Stewart, Idir Boudaoud | 2008-09-09 |
| 7088226 | Method and apparatus for a remote tire pressure monitoring system | David Samuel Porter, Alastair Thomas Johnston | 2006-08-08 |
| 6906624 | Method and apparatus for a remote tire pressure monitoring system | David Samuel Porter, Alastair Thomas Johnston | 2005-06-14 |
| 6882270 | Determination of wheel sensor position using radio frequency detectors in an automotive remote tire monitor system | William David Stewart, Idir Boudaoud | 2005-04-19 |
| 6753737 | Precision oven-controlled crystal oscillator | John Chen Chiang Ho, Charles Stone | 2004-06-22 |
| 6710708 | Method and apparatus for a remote tire pressure monitoring system | David Samuel Porter, Alastair Thomas Johnston | 2004-03-23 |
| 6577201 | Precision oven-controlled crystal oscillator | John Chen Chiang Ho, Charles Stone | 2003-06-10 |
| 5200650 | High frequency master/slave flip-flops | Nicholas P. Cowley, Rod Lawton | 1993-04-06 |
| 4810976 | Frequency doubling oscillator and mixer circuit | Nicholas P. Cowley, Rodney J. Lawton | 1989-03-07 |