Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620472 | Laminated resilient flexible barrier membranes | Erwin C. Shepard, Paul H. Mitchell | 2003-09-16 |
DH
DeWayne R. Hartlerood
Overall (2003): #237,507 of 273,478Top 90%
1
Patents 2003