Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672635 | Water-blown polyurethane sealing devices and compositions for producing same | Thirumurti Narayan | 1997-09-30 |
| 5665288 | Method of making water-blown polyurethane sealing devices | Thirumurti Narayan | 1997-09-09 |