Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800985 | Process for producing naphthenic bright stocks | John Kristopher Patrick, Howard Don Davis | 2020-10-13 |
| 10557093 | Process for producing naphthenic base oils | John Kristopher Patrick, Howard Don Davis | 2020-02-11 |