Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D421907 | Easy opening can end | Roger Mason Cole | 2000-03-28 |
| 4808482 | Multi-layer plastics structures and apparatus and methods for their manufacture | Cyril M. Prince | 1989-02-28 |
| 4735339 | Retortable packages | John Ethan Chapman, Alan James Maskell | 1988-04-05 |
| 4652325 | Method of making multi-layer plastic structures | Cyril M. Prince | 1987-03-24 |