Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416927 | Tubular article of polyethylene terephthalate having a wall of amorphous material with a peripheral groove therein of monoaxially oriented material | Claes T. Nilsson, Kjell M. Jakobsen | 1983-11-22 |