Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331062 | Polyurethane-epoxy interpenetrating polymer network acoustic damping material | Usman A. K. Sorathia, William L. Yeager | 1994-07-19 |
| 5328957 | Polyurethane-acrylic interpenetrating polymer network acoustic damping material | Usman A. K. Sorathia | 1994-07-12 |
| 5320870 | Fire protective coating and method for applying same to a structure | Usman A. K. Sorathia | 1994-06-14 |