Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536115 | Generating multiple hydraulic fractures in earth formations for waste disposal | — | 1996-07-16 |
| 5314265 | Waste disposal in hydraulically fractured earth formations | Thomas K. Perkins | 1994-05-24 |