Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454011 | Method and system for moving equipment into and through a conduit | Hagen Schempf, Steve J. Kimminau, John Foreman Stewart, A. F. Bijleveld | 2002-09-24 |
| 6241028 | Method and system for measuring data in a fluid transportation conduit | Aarnoud Frederic Bijleveld, Steve J. Kimminau, John Foreman Stewart, Jerry L. Morris, Hagen Schempf | 2001-06-05 |