Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074670 | Maintaining dynamic water storage in underground porosity reservoirs | Donald O. Summers | 2011-12-13 |
| 7972080 | Bank-sided porosity storage reservoirs | Donald O. Summers | 2011-07-05 |