Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306927 | Process for producing a laminate of metal with thermoplastic material | Charles J. Klasen, Ilmars Vilmanis | 1981-12-22 |
| 4213487 | Laminate of metal with thermoplastic material | Charles J. Klasen, Ilmars Vilmanis | 1980-07-22 |