Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624689 | Foil blowing apparatus for thermoplastic synthetic resins | Stefan Schmitz, Robert N. Wirtz | 1997-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624689 | Foil blowing apparatus for thermoplastic synthetic resins | Stefan Schmitz, Robert N. Wirtz | 1997-04-29 |