Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237857 | Down-hole liquid detecting apparatus | Andrew R. Dobson, Douglas J. Belshaw | 1993-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237857 | Down-hole liquid detecting apparatus | Andrew R. Dobson, Douglas J. Belshaw | 1993-08-24 |