Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019592 | Apparatus for manufacturing a tampered-evident closure having a plurality of tabs molded to extend radially upward and inward | Mark R. Fricke | 2000-02-01 |
| 5846471 | Method for manufacturing a tamper-evident closure | Mark R. Fricke | 1998-12-08 |