Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320647 | Fluent polyazo dye preparations and method of dying leather or wool therewith | Georg Zeidler, Ortwin Schaffer | 1994-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320647 | Fluent polyazo dye preparations and method of dying leather or wool therewith | Georg Zeidler, Ortwin Schaffer | 1994-06-14 |