Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325685 | Apparatus for producing thermoplastic tubing having interchangeable mold blocks | Manfred A. A. Lupke | 1982-04-20 |
| 4319872 | Apparatus for producing thermoplastic tubing | Manfred A. A. Lupke | 1982-03-16 |