Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464001 | Multilateral wellbore system | Stephen Richard Braithwaite, Wilhelmus Hubertus Paulus Maria Heijnen | 2002-10-15 |
| 6380476 | Generating electric power in a wellbore | Wilhelmus Hubertus Paulus Maria Heijnen, John Foreman Stewart | 2002-04-30 |