Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409202 | Breath freshener composition and method | Frank Witzel, Mario A. DiNolfo, Donald A. M. Mackay | 1983-10-11 |
| 4303648 | Breath freshener composition and method | Frank Witzel, Mario A. Di Nolfo, Donald A. M. Mackay | 1981-12-01 |