Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8784710 | Expandable polymer membrane and tubes, and a method of manufacturing thereof | Douglas R. Hansen | 2014-07-22 |
| 8609249 | Thin wall expandable polymer tubes having improved axial and radial strength, and a method of manufacturing thereof | Douglas R. Hansen | 2013-12-17 |