Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500253 | Agglomeration of hydraulic cement powder | Lewis R. Norman, Huma Hakim | 2002-12-31 |
| 6357527 | Encapsulated breakers and method for use in treating subterranean formations | Lewis R. Norman, Aashish L. Bhatia | 2002-03-19 |