Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810259 | Method to minimize viscosity and improve stability of coal-water fuels | Martin A. Prieto | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810259 | Method to minimize viscosity and improve stability of coal-water fuels | Martin A. Prieto | 1989-03-07 |