Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690101 | Portable air purifier with chemical reaction zone | — | 1997-11-25 |
| 5256729 | Nitrile derivative for sand control | Robin Wiser-Halladay | 1993-10-26 |
| 5199491 | Method of using nitrile derivative for sand control | Robin Wiser-Halladay | 1993-04-06 |
| 4791804 | Method of testing a cold gas for the presence of a hazardous gas | Orville C. Morrison | 1988-12-20 |
| 4415337 | Method for producing agglomerate particles from an aqueous feed slurry comprising finely divided coal and finely divided inorganic solids | Donald K. Wunderlich | 1983-11-15 |
| 4400176 | Process for reducing the water content of coal containing bound water | — | 1983-08-23 |
| 4329179 | Method for encapsulating arsenic-contaminated wastes | — | 1982-05-11 |