Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913300 | Closure with guarantee ring for containers | Walter Wiedmer | 1990-04-03 |
| 4699284 | Synthetic container closure with guarantee ring | — | 1987-10-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913300 | Closure with guarantee ring for containers | Walter Wiedmer | 1990-04-03 |
| 4699284 | Synthetic container closure with guarantee ring | — | 1987-10-13 |