Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086938 | Pilfer-proof closure for containers and injection mould for producing the closure | — | 1992-02-11 |
| 4489845 | Screw-cap for container | Hans-Werner Breuer | 1984-12-25 |
| 4480761 | Tamper indicating closure for a container | — | 1984-11-06 |
| 4412409 | Method of closing the mouth of a container and a screw cap for use therein | Hans-Werner Breuer, Albert Obrist | 1983-11-01 |
| 4253581 | Container with screw cap | Albert Obrist | 1981-03-03 |