Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188624 | Method and apparatus for monitoring fluid flow through a drill string | Dennis H. Hochsprung, Alan C. Wright, Pat W. Purcell | 1980-02-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188624 | Method and apparatus for monitoring fluid flow through a drill string | Dennis H. Hochsprung, Alan C. Wright, Pat W. Purcell | 1980-02-12 |