Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6203867 | Product package having reliable openability | Robert F. Hawkins, Bruce Kinsman | 2001-03-20 |
| 5829227 | Product package having reliable openability | Robert F. Hawkins, Bruce Kinsman | 1998-11-03 |
| 5689935 | Product package having reliable openability | Robert Hawkins, Bruce Kinsman | 1997-11-25 |
| 5378414 | Method of forming packaging compositions | — | 1995-01-03 |