Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811603 | Methods, well cement compositions and lightweight additives therefor | Lance E. Brothers, Krista L. Keener, Jan Pieter Vijn, Bach Dao | 2004-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811603 | Methods, well cement compositions and lightweight additives therefor | Lance E. Brothers, Krista L. Keener, Jan Pieter Vijn, Bach Dao | 2004-11-02 |