Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085764 | Process for upgrading coal | Robert A. Meyers, Loren C. McClanathan | 1992-02-04 |
| 5059307 | Process for upgrading coal | Robert A. Meyers, Leslie J. Van Nice, deceased | 1991-10-22 |
| 4545891 | Extraction and upgrading of fossil fuels using fused caustic and acid solutions | Robert A. Meyers | 1985-10-08 |
| 4426281 | Float/sink treatment of crushed coal in solutions of monosaccharides and disaccharides | Robert A. Meyers | 1984-01-17 |