Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952659 | Catalyzed fast cure polyurethane sealant composition | Steven L. Hannah | 1990-08-28 |
| 4798879 | Catalyzed fast cure polyurethane sealant composition | Steven L. Hannah, Thomas W. Greenlee | 1989-01-17 |