Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803934 | Device for producing a heat and tension resistant as well as flexible connection between the ends of web-like materials | — | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803934 | Device for producing a heat and tension resistant as well as flexible connection between the ends of web-like materials | — | 1989-02-14 |