Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182731 | Well bore data transmission apparatus | Hans-Juergen Hoelscher, Thomas Kerk, Helmut Winnacker | 1993-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182731 | Well bore data transmission apparatus | Hans-Juergen Hoelscher, Thomas Kerk, Helmut Winnacker | 1993-01-26 |