Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214596 | Permanent wave system using ammonium bisulfite prewrap | Norman L. Edelberg, Chester A. Davis | 1980-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214596 | Permanent wave system using ammonium bisulfite prewrap | Norman L. Edelberg, Chester A. Davis | 1980-07-29 |