Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291045 | Method of reducing dental caries | Donald A. M. Mackay, Frank Witzel | 1981-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291045 | Method of reducing dental caries | Donald A. M. Mackay, Frank Witzel | 1981-09-22 |