Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834822 | Method for joining overlapping edges of a multi-layer foil, and a tubular liner produced according to the method | — | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834822 | Method for joining overlapping edges of a multi-layer foil, and a tubular liner produced according to the method | — | 1989-05-30 |