Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571848 | Apparatus for measuring the transverse profile of a drill hole in a geologic formation | Ferdinand Krutz, Jürgen Keck, Johann Bolingen | 1986-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571848 | Apparatus for measuring the transverse profile of a drill hole in a geologic formation | Ferdinand Krutz, Jürgen Keck, Johann Bolingen | 1986-02-25 |