Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958380 | Polyurethane ionomers and methods for their preparation and formation | William M. Risen, Jr. | 2005-10-25 |
| 6949604 | Polyurethane ionomer blends and methods for their preparation and formation | William M. Risen, Jr. | 2005-09-27 |