Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363626 | Dental syringe | Manfred Schmidt, Gerd Hoyer, Hermann Leiberich | 1982-12-14 |
| 4354838 | Foot controller for dental instruments or the like | Gerd Hoyer | 1982-10-19 |
| 4354071 | Plural pedal foot control | — | 1982-10-12 |