Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631313 | Suspending medium for particulate material | Marshall D. Bishop | 1997-05-20 |
| 5091448 | Suspending medium for water soluble polymer | Marshall D. Bishop | 1992-02-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631313 | Suspending medium for particulate material | Marshall D. Bishop | 1997-05-20 |
| 5091448 | Suspending medium for water soluble polymer | Marshall D. Bishop | 1992-02-25 |