Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5581978 | Tamper evident closure | Ihab M. Hekal, Bradley C. Kiss, Daniel P. Bialka | 1996-12-10 |
| 5413234 | Tamper evident closure | Ihab M. Hekal, Bradley C. Kiss, Daniel P. Bialka | 1995-05-09 |
| 5152412 | Tamper evident closure using microcapsules | — | 1992-10-06 |