Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355730 | Screw cap with a guarantee ring for indicating the first opening of a container | — | 1982-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355730 | Screw cap with a guarantee ring for indicating the first opening of a container | — | 1982-10-26 |