Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997625 | Chemical sterilization | Roy T. Witkin | 1991-03-05 |
| 4923677 | Chemical sterilization | Roy T. Witkin | 1990-05-08 |
| 4738840 | Presurgical sterilization method | Roy T. Witkin | 1988-04-19 |
| 4592488 | Method for the preparation of chemotherapeutic compositions for the treatment of periodontal disease, compositions therefor and use thereof | Roy T. Witkin | 1986-06-03 |
| 4592489 | Compartmented container means for antimicrobial oral lavage | Roy T. Witkin | 1986-06-03 |
| 4592487 | Dentifrices | Roy T. Witkin | 1986-06-03 |
| 4577371 | Machine for peeling, skimming, skinning and/or slicing joints of meat, fishes and the like | — | 1986-03-25 |
| 4567036 | Chemotherapeutic method for treating periodontal disease, and composition therefore | Roy T. Witkin | 1986-01-28 |
| 4521403 | Chemotherapeutic method for treating periodontal disease | Roy T. Witkin | 1985-06-04 |