Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944313 | Single-use annular mouthpiece | Seymour Katz | 1990-07-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944313 | Single-use annular mouthpiece | Seymour Katz | 1990-07-31 |