Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002199 | Highly sensitive airflow direction sensing | — | 2011-08-23 |
| 5039006 | Home heating system draft controller | — | 1991-08-13 |
| 4899327 | Focus servo loop correction | Keith A. Bates, Russell A. Budd, Mark L. Rhoades | 1990-02-06 |
| 4406396 | Method and apparatus for regulating flue draft | — | 1983-09-27 |
| 4275960 | System for enhanced light uniformity in a document scanning system | Ross B. Hooker, III | 1981-06-30 |