Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620472 | Laminated resilient flexible barrier membranes | Erwin C. Shepard, DeWayne R. Hartlerood | 2003-09-16 |
| 6582786 | Flexible membranes | Henry W. Bonk, David Goldwasser | 2003-06-24 |
| 6521305 | Cushioning device with improved flexible barrier membrane | James C. Sell, Jr., Henry W. Bonk | 2003-02-18 |