Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985079 | Open-graded asphalt emulsion mixes | Peter Graf, Steven J. Agazzi | 1991-01-15 |
| 4822427 | Open-grade asphalt emulsion mixes | Peter Graf, Steven J. Agazzi | 1989-04-18 |
| 4629511 | High float and rapid setting anionic bituminous emulsions | — | 1986-12-16 |