Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827551 | Electrical device for mouth care | Brigitte Maser | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827551 | Electrical device for mouth care | Brigitte Maser | 1989-05-09 |