Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846917 | Method of producing an inflatable hollow body | Volker Hartel, Hans Schreiber | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846917 | Method of producing an inflatable hollow body | Volker Hartel, Hans Schreiber | 1989-07-11 |