Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6089233 | Diving mask supplemented with a device for equalizing pressure across the eardrum of divers | Howard Rosenstein | 2000-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6089233 | Diving mask supplemented with a device for equalizing pressure across the eardrum of divers | Howard Rosenstein | 2000-07-18 |