DH

Douglas R. Hansen

📍 Belmont, NC: #36 of 98 inventorsTop 40%
🗺 North Carolina: #18,756 of 45,564 inventorsTop 45%
Overall (All Time): #2,054,754 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8784710 Expandable polymer membrane and tubes, and a method of manufacturing thereof James V. Phillips 2014-07-22
8609249 Thin wall expandable polymer tubes having improved axial and radial strength, and a method of manufacturing thereof James V. Phillips 2013-12-17