Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4426347 | Method of making composite polyolefin based containers | Don H. Johns | 1984-01-17 |
| 4210573 | Polyolefin containers having improved gas barrier properties | — | 1980-07-01 |