Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851272 | Non-oil organic spray wax compositions | — | 1998-12-22 |
| 5820663 | Phosphate ester asphalt additives | John C. Miller | 1998-10-13 |
| 5224990 | Surfactant-modified bituminous emulsions | Ken F. Gryzbowski | 1993-07-06 |
| 4759799 | Asbestos-free asphalt coatings | — | 1988-07-26 |