Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159657 | Shaped charge loading tube for perforating gun | Wenbo Yang, Cynthia L. Hickson, Robert A. Parrott | 2007-01-09 |
WR
Wanchai Ratanasirigulchia
Overall (All Time): #3,374,782 of 4,157,543Top 85%
1
Patents All Time