Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322558 | Neutralizing agent for paper products | Jurgen Wittekind, Rolf Eggersdorfer, Peter Schwerdt, Rolf-Erhard Schmitt | 1994-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322558 | Neutralizing agent for paper products | Jurgen Wittekind, Rolf Eggersdorfer, Peter Schwerdt, Rolf-Erhard Schmitt | 1994-06-21 |