Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372678 | Proppant composition for gas and oil well fracturing | Robert A. Youngman, Syed Akbar | 2002-04-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372678 | Proppant composition for gas and oil well fracturing | Robert A. Youngman, Syed Akbar | 2002-04-16 |