Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019815 | Method for preventing microbial growth in an electronic air cleaner | Sunita Satyapal, H. Harvey Michels | 2000-02-01 |
| 5879435 | Electronic air cleaner with germicidal lamp | Sunita Satyapal, H. Harvey Michels | 1999-03-09 |
| 5846833 | Method and apparatus for testing a non-hydrocarbon refrigerant | Warren Clough, Lowell E. Paige, John Attanasio, H. Harvey Michels, David A. Condit | 1998-12-08 |