Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833922 | Optical path structure for open path emissions sensing with opposed sources | Robert A. Gentala, Craig S. Rendahl | 2004-12-21 |
| 6781110 | Apparatus and method for measuring vehicle speed and/or acceleration | Craig S. Rendahl, Paul Kyle | 2004-08-24 |
| 6757607 | Audit vehicle and audit method for remote emissions sensing | Craig S. Rendahl, Ronald J. McNeill, Robert A. Gentala | 2004-06-29 |
| 6750444 | Apparatus and method for measuring vehicle speed and/or acceleration | Craig S. Rendahl, Paul Kyle | 2004-06-15 |
| 6744516 | Optical path structure for open path emissions sensing | Robert A. Gentala, Craig S. Rendahl | 2004-06-01 |
| 6744059 | Optical path structure for open path emissions sensing with spinning mirror | Robert A. Gentala, Craig S. Rendahl | 2004-06-01 |
| 6723989 | Remote emissions sensing system and method with a composite beam of IR and UV radiation that is not split for detection | Craig S. Rendahl | 2004-04-20 |
| 6723990 | Optical path structure for open path emissions sensing with spinning filter wheel | Robert A. Gentala, Graig S. Rendahl | 2004-04-20 |