Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064555 | Mild skin cleansing soap bar with hydrated cationic polymer skin conditioner | Ralph F. Medcalf, Jr., Martha O. Visscher, Richard Marc Dahlgren | 1991-11-12 |
| 4946618 | Toilet bar composition containing cationic guar gum | Paul E. Vest | 1990-08-07 |
| 4820447 | Mild skin cleansing soap bar with hydrated cationic polymer skin conditioner | Ralph F. Medcalf, Jr., Martha O. Visscher, Richard Marc Dahlgren | 1989-04-11 |