Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037818 | Washing composition for the hair | — | 1991-08-06 |
| 4321256 | Shampoo containing a polyglycol-polyamine condensation resin and a phosphate ester | Tatsuru Hasegawa, Yasuo Ohmi, Guy A. G. Ricketts | 1982-03-23 |
| 4298494 | Shampoo | Michael W. Parslow | 1981-11-03 |