Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669407 | Polyurethane geotextile composite liner with improved water resistance and a process for the production thereof | Peter H. Markusch, Ashok M. Sarpeshkar, Marylyn Donaldson, Ralf Guether | 2003-12-30 |