Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679324 | Downhole device for controlling fluid flow in a well | Johannis Josephus Den Boer, Gerald Sommerauer, John Foreman Stewart | 2004-01-20 |
AH
Astrid Hartwijk
Overall (2004): #257,927 of 270,089Top 100%
1
Patents 2004