Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861437 | Method of manfacturing a mould and providing it with a backing and mould manufactured according to the invention | Hermann Koop | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861437 | Method of manfacturing a mould and providing it with a backing and mould manufactured according to the invention | Hermann Koop | 1989-08-29 |