Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485861 | System and method for remote emissions sensing including calculation and calibration techniques compensating for temperature and pressure effects | — | 2009-02-03 |
| 7274994 | Exhaust opacity measuring device | Donald H. Stedman, Gary Bishop | 2007-09-25 |
| 7016789 | Exhaust opacity measuring device | Donald H. Stedman, Gary Bishop | 2006-03-21 |
| 6701256 | Exhaust opacity measuring device | Donald H. Stedman, Gary Bishop | 2004-03-02 |
| 6167991 | Method and apparatus for detecting position of an elevator door | Richard D. Pustelniak | 2001-01-02 |
| 6051829 | Safety detection system for sliding doors | — | 2000-04-18 |
| 5925858 | Safety system for detecting small objects approaching closing doors | Richard D. Pustelniak | 1999-07-20 |
| 5886307 | Safety detection system for sliding doors | Richard D. Pustelniak | 1999-03-23 |
| 4622551 | Half-duplex industrial communications system | Bertram F. Kupersmith, Julian H. Shull, Gregory A. Schienda | 1986-11-11 |
| 4302814 | Relative exhaust back-pressure of an internal combustion engine | Rinaldo R. Tedeschi | 1981-11-24 |
| 4302815 | Snap acceleration test for an internal combustion engine | Rinaldo R. Tedeschi | 1981-11-24 |
| 4301678 | Relative power contribution of an internal combustion engine | Rinaldo R. Tedeschi | 1981-11-24 |
| 4291383 | Spark plug load testing for an internal combustion engine | Rinaldo R. Tedeschi | 1981-09-22 |
| 4291382 | Relative manifold vacuum of an internal combustion engine | Rinaldo R. Tedeschi | 1981-09-22 |