Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797215 | Membranes of polyurethane based materials including polyester polyols | David Goldwasser | 2004-09-28 |
| 6730379 | Shoe sole of gas-filled film with barrier layer of ethylene-vinyl alcohol copolymer and aliphatic polyurethane | David Goldwasser | 2004-05-04 |
| 6692803 | Membranes of polyurethane based materials including polyester polyols | David Goldwasser | 2004-02-17 |