Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091136 | Method of relief stamping mother-of-pearl plates | Jurgen Bock, Wolfgang Zeller | 1992-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091136 | Method of relief stamping mother-of-pearl plates | Jurgen Bock, Wolfgang Zeller | 1992-02-25 |