Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4488860 | Method and apparatus for producing multi-layer expanded films | Stephen Hampden Joseph, John E. Miller | 1984-12-18 |
| 4383968 | Method and apparatus for producing multi-layer expanded films | Stephen Hampden Joseph, John E. Miller | 1983-05-17 |