Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411885 | Vitamin E oil based dentifrice | Ronald R. Barels | 1983-10-25 |
| 4292304 | Oil based dentifrice | Ronald R. Barels | 1981-09-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411885 | Vitamin E oil based dentifrice | Ronald R. Barels | 1983-10-25 |
| 4292304 | Oil based dentifrice | Ronald R. Barels | 1981-09-29 |