Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608323 | Arrangement of the electrodes for an electrical logging system for determining the electrical resistivity of a subsurface formation | — | 1997-03-04 |
JK
Johannes Maria Vianney Antonius Koelman
Overall (1997): #128,161 of 185,788Top 70%
1
Patents 1997