Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855185 | Polyurethane coatings for bridge deckings and the like | Cung Vu, Norman Blank, Richard C. Hartwig | 1989-08-08 |
| 4788269 | Polyurethane coatings for bridge deckings and the like | Cung Vu, Norman Blank, Richard C. Hartwig | 1988-11-29 |