Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995463 | Method for fracturing coal seams | Robert C. Kramm | 1991-02-26 |
| 4995897 | Method of making inorganically crosslinked layered compounds | Charles M. Schramm, Martin B. Dines | 1991-02-26 |
| 4980332 | Method of making inorganically crosslinked layered compounds | Charles M. Schramm, Martin B. Dines | 1990-12-25 |
| 4853358 | Method of making inorganically crosslinked layered compounds | Charles M. Schramm, Martin B. Dines | 1989-08-01 |
| 4645514 | Coal-aqueous slurry | — | 1987-02-24 |