Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074685 | One-way valve with flapper for vacuum bag | Martin Calvo, Michael Burton | 2011-12-13 |
| 7967166 | Reclosable storage bag attached to container by removable retainer ring | Martin Calvo, Dax Machovec | 2011-06-28 |