Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638152 | Flexible package having a re-closable zipper | Martin Bernhard Dierl | 2009-12-29 |
| 5972396 | Flexible package having a re-closable zipper | Martin Bernhard Dierl | 1999-10-26 |