Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303836 | Combined dowel pin and parting guide for use in the construction of dental prosthetics | Mack L. Roden | 1989-10-03 |
| D303709 | Combined dowel pin and parting guide for use in construction of a dental prosthetic | Mack L. Roden | 1989-09-26 |