Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187859 | Light stable aliphatic thermoplastic urethane elastomers and method of making same | William M. Humphrey | 2001-02-13 |
| 5824738 | Light stable aliphatic thermoplastic urethane elastomers and method of making same | William M. Humphrey | 1998-10-20 |