Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451038 | Dual action tongue scraper | Robert Hayman | 2002-09-17 |
| 6428554 | Dual action tongue scraper | Robert Hayman | 2002-08-06 |
| 6383202 | Dual action tongue scraper | Robert Hayman | 2002-05-07 |