Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322431 | Apparatus for blowing a film of thermoplastic synthetic resin | Wilhelm Kahlen | 1994-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322431 | Apparatus for blowing a film of thermoplastic synthetic resin | Wilhelm Kahlen | 1994-06-21 |