Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850717 | Process sensor tube having erosion and corrosion resistance | Eugene V. Clark | 1989-07-25 |
| 4826401 | Centrifugal pump | Eugene V. Clark | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850717 | Process sensor tube having erosion and corrosion resistance | Eugene V. Clark | 1989-07-25 |
| 4826401 | Centrifugal pump | Eugene V. Clark | 1989-05-02 |