Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080203 | Air sterilization apparatus | Melvin W. First, Stephen N. Rudnick, Richard L. Vincent, Philip W. Brickner | 2011-12-20 |
| 7879299 | Paddle fan medallion for enhancement of room air quality | — | 2011-02-01 |