Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574485 | Bore-insertable apparatus for stationary measurement of bore-width changes in geological formations | Jürgen Keck, Johann Bolingen | 1986-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574485 | Bore-insertable apparatus for stationary measurement of bore-width changes in geological formations | Jürgen Keck, Johann Bolingen | 1986-03-11 |