Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5193913 | RF energy sealable web of film | — | 1993-03-16 |
| 5098202 | Multi-layer web of film having a gas barrier | — | 1992-03-24 |
| 4978579 | Multi-layer film structures for providing two webs of film | — | 1990-12-18 |
| 4527319 | Method and apparatus for manufacturing foldable conduit | H. John Sidaway | 1985-07-09 |
| 4509911 | Coupling structure and method and apparatus for its manufacture | — | 1985-04-09 |
| 4480855 | Coupling structure for plastic pipe or tubing | — | 1984-11-06 |
| 4402898 | Coextrusion die assembly | — | 1983-09-06 |
| 4374079 | Method and apparatus for manufacturing expanded and layered semiround plastic tubings | James L. Fouss, James L. Child, Jr. | 1983-02-15 |
| 4208175 | Coextrusion feedblock and process | — | 1980-06-17 |