Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751557 | Rock classification method and apparatus | Gamal Shehab, Anish Kumar, George Richard Kear, Oswaldo E. Viloria | 2004-06-15 |
DW
David R. Williamson
Overall (2004): #235,690 of 270,089Top 90%
1
Patents 2004