Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303427 | Combined dental syringe and cap | Lawrence A. Shimp | 1989-09-12 |
| 4839215 | Biocompatible particles and cloth-like article made therefrom | James E. Stephan, William G. Hubbard | 1989-06-13 |