Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32463 | Method of and apparatus for telemetering information from a point in a well borehole to the earth's surface | John H. Westlake, Clifford L. Ainsworth | 1987-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32463 | Method of and apparatus for telemetering information from a point in a well borehole to the earth's surface | John H. Westlake, Clifford L. Ainsworth | 1987-07-28 |