Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421483 | Delivery system for dental instruments or the like | Helmut Pietschmann, Manfred Schmidt | 1983-12-20 |
| 4344594 | Lift mechanism for dental chair | — | 1982-08-17 |
| 4335920 | Headrest for a dental chair | — | 1982-06-22 |