Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652940 | Membranes of polyurethane based materials including polyester polyols | David Goldwasser | 2003-11-25 |
| 6599597 | Barrier membranes including a barrier layer employing aliphatic thermoplastic urethanes | David Goldwasser | 2003-07-29 |
| 6582786 | Flexible membranes | David Goldwasser, Paul H. Mitchell | 2003-06-24 |
| 6521305 | Cushioning device with improved flexible barrier membrane | Paul H. Mitchell, James C. Sell, Jr. | 2003-02-18 |