Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638917 | Tamper proof closure | — | 1987-01-27 |
| 4562931 | Pilfer-proof closure with tear-away holding claws | Ulrich Brach | 1986-01-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638917 | Tamper proof closure | — | 1987-01-27 |
| 4562931 | Pilfer-proof closure with tear-away holding claws | Ulrich Brach | 1986-01-07 |