Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889713 | Anticalculus oral compositions | Thomas G. Polefka | 1989-12-26 |
| 4889712 | Anticalculus oral composition | Shek-Hong Lau, John J. Afflito, Arline M. Nykvist | 1989-12-26 |
| 4880619 | Anticalculus oral composition | — | 1989-11-14 |
| 4869898 | Anticalculus oral composition | Thomas G. Polefka | 1989-09-26 |
| 4843099 | Device and composition for treatment of the gums | John Afflitto | 1989-06-27 |
| 4826675 | Anticalculus oral composition | Shek-Hong Lau, John Afflitto | 1989-05-02 |
| 4816245 | Antiplaque/antigingivitis method using certain polyphosphonic acids | — | 1989-03-28 |
| 4808401 | Anticalculus oral composition | Thomas G. Polefka | 1989-02-28 |
| 4808400 | Anticalculus oral composition | Thomas G. Polefka | 1989-02-28 |
| 4806340 | Anticalculus oral composition | Thomas G. Polefka, Robert J. Ferlauto, Jr., Rosemarie M. Crisafulli | 1989-02-21 |
| 4806342 | Anticalculus oral composition | Thomas G. Polefka | 1989-02-21 |