Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312483 | Adhesion of asphalt to aggregates | Henry Sawatzky, Brian A. Farnand | 1994-05-17 |
| 5234494 | Softening agents for recycling asphalt pavement | Henry Sawatzky, Brian A. Farnand, Jean-Francois Houde | 1993-08-10 |