Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342473 | Pressure-sensitive copy systems containing phenolic ester as color-stabilizers | — | 1982-08-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342473 | Pressure-sensitive copy systems containing phenolic ester as color-stabilizers | — | 1982-08-03 |