Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5678996 | Precision attachment device for a removable dental prosthesis | — | 1997-10-21 | |
| 4348181 | Retaining device for a removable dental prosthesis | — | 1982-09-07 | $202,000 |
| 4323850 | Measurement of articles | John H. Phillips | 1982-04-06 |