Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633164 | Measuring focused through-casing resistivity using induction chokes and also using well casing as the formation contact electrodes | Harold J. Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl, Jr., John Michele Hirsch | 2003-10-14 |