Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874449 | Process for dressing a substantially flat substrate such as split leather or a textile material | Helmut Schaefer | 1989-10-17 |
| 4850838 | Apparatus for producing a coating on a laminar carrier member | Werner Wagner, Horst Buscher | 1989-07-25 |