Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705833 | Airflow flapper valve | Victoria Tsang Tam, Chadi Farid Theodossy, Kenneth Tang, Paul W. Barrows | 2004-03-16 |
| 6419504 | Slide locked retractable grounding pin power cord plug | — | 2002-07-16 |
| 5123247 | Solar roof collector | — | 1992-06-23 |
| 4611149 | Beam tube with density plus velocity modulation | — | 1986-09-09 |