Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996997 | Permanent waving process and compositions | Barry W. Williams | 1991-03-05 |
| 4885160 | Wrapping lotion and method for permanent waving | Barry W. Williams | 1989-12-05 |
| 4883657 | Rearranger process and composition for permanent waving process | Barry W. Williams | 1989-11-28 |