Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775489 | Self-breaking foamed oil in water emulsion for stimulation of wells blocked by paraffinic deposits | David R. Watkins | 1988-10-04 |
| 4614236 | Self-breaking foamed oil-in-water emulsion for stimulation of wells blocked by paraffinic deposits | David R. Watkins | 1986-09-30 |