Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916999 | Process for producing filaments from melamine/formaldehyde condensation products | Heinz Berbner, Uwe Rachwalsky, Hans D. Zettler | 1999-06-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916999 | Process for producing filaments from melamine/formaldehyde condensation products | Heinz Berbner, Uwe Rachwalsky, Hans D. Zettler | 1999-06-29 |