Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34196 | Method and material for brightening teeth | — | 1993-03-16 |
| 5012248 | Radar absorption material thickness testing device | William R. Jost, Francis M. Ash, Jr. | 1991-04-30 |
| 4990089 | Method and material for brightening teeth | — | 1991-02-05 |