Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894017 | Delivery system for an oral care substance using a strip of material having low flexural stiffness | Robert S. Dirksing, Frederick Rohman | 1999-04-13 |
| 5891453 | Delivery system for a tooth whitener using a strip of material having low flexural stiffness | Robert S. Dirksing, Frederick Rohman | 1999-04-06 |
| 5879691 | Delivery system for a tooth whitener using a strip of material having low flexural stiffness | Robert S. Dirksing, Frederick Rohman | 1999-03-09 |