Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4538988 | Dental apparatus with a number of dental instruments connected to a common control circuit and a common operator unit | Frank Henrichsen, Kim L. Sorensen | 1985-09-03 |
| 4430062 | Dental apparatus with a number of dental instruments connected to a common control circuit and a common operator unit | Frank Henrichsen, Kim L. Sorensen | 1984-02-07 |