Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889811 | Methods for making leather | Juergen Christner, Ernst Pfleiderer | 1989-12-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889811 | Methods for making leather | Juergen Christner, Ernst Pfleiderer | 1989-12-26 |