Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626242 | Storable composition and slurries and use of same for cementing oil and gas wells | Arnaldo Rodrigues D'Almeida, Gilson Campos | 2003-09-30 |
| 6613142 | Storable compositions and slurries and use of same for cementing oil and gas wells | Arnaldo Rodrigues D'Almeida, Gilson Campos | 2003-09-02 |