Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373699 | Fluid flow control valve for dental instruments | — | 1983-02-15 |
| 4363626 | Dental syringe | Manfred Schmidt, Gerd Hoyer, Helmut Pietschmann | 1982-12-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373699 | Fluid flow control valve for dental instruments | — | 1983-02-15 |
| 4363626 | Dental syringe | Manfred Schmidt, Gerd Hoyer, Helmut Pietschmann | 1982-12-14 |