Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30874 | Quaternary ammonium compounds in pretreatment of hair before shampooing with an anionic shampoo | George F. Dasher, Kathleen A. O'Cull | 1982-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30874 | Quaternary ammonium compounds in pretreatment of hair before shampooing with an anionic shampoo | George F. Dasher, Kathleen A. O'Cull | 1982-03-02 |