Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D430928 | Air cleaner | Marc Lafond, Kent Williams, Philip Frank, Omer Kotzer, Kim Porter +4 more | 2000-09-12 |
| D426293 | Air cleaner | Madjid Tounsi, Kent Williams, Philip Frank, Omer Kotzer, Kim Porter +4 more | 2000-06-06 |