Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32336 | Method and apparatus for conducting logging or perforating operations in a borehole | Joachim Hoppe | 1987-01-27 |
| 4349072 | Method and apparatus for conducting logging or perforating operations in a borehole | Joachim Hoppe | 1982-09-14 |
| 4337969 | Extension member for well-logging operations | Joachim Hoppe | 1982-07-06 |
| 4269063 | Downhole force measuring device | Joachim Hoppe | 1981-05-26 |