Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322289 | Step silt terrace erosion prevention | — | 2001-11-27 |
| 5101744 | Dispenser for granular materials | — | 1992-04-07 |
| 4636576 | Cyclic amide additives for organic carbonate process | Ajit K. Bhattacharya | 1987-01-13 |
| 4218222 | Method of charging solids into coal gasification reactor | Matthew A. McMahon, Richard V. Kessler, Roger J. Corbeels | 1980-08-19 |
| 4209304 | Coal gasification-method of feeding dry coal | Richard V. Kessler | 1980-06-24 |