Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308279 | Sealing device for fluid reservoir | Diana C. Petranek, Douglas H. Pearson, Mark D. Perkins | 2012-11-13 |
| 8172386 | Sealing device for fluid reservoir | Diana C. Petranek, Douglas H. Pearson, Mark D. Perkins | 2012-05-08 |
| 7967426 | Sealing device for fluid reservoir | Diana C. Petranek, Douglas H. Pearson, Mark D. Perkins | 2011-06-28 |