Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968217 | Expandable filter cartridge | Myron Stein | 1999-10-19 |
| 5899082 | Method and apparatus for odor elimination in vehicle air conditioning systems | Myron Stein, William Brown, Glenn R. Reddington | 1999-05-04 |