Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4936867 | Novel dispersants for oleaginous compositions | Jack Ryer | 1990-06-26 | $31,705,000 |
| 4797219 | Novel dispersants for oleaginous compositions | Jack Ryer | 1989-01-10 | $55,825,000 |