Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557142 | Apparatus and method for real-time measurement of drilling fluid properties | Gary L. Hensley, Jan Marius Van Dokkum, Gerritt Stolk | 1985-12-10 |
| 4468964 | Liquid meter | — | 1984-09-04 |