Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764629 | Laminated resilient flexible barrier membranes | DeWayne R. Hartlerood, Paul H. Mitchell | 2004-07-20 |
| 6620472 | Laminated resilient flexible barrier membranes | DeWayne R. Hartlerood, Paul H. Mitchell | 2003-09-16 |