Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076909 | Method for refining or upgrading hydrocarbons with analysis | Robert E. Overfield, Winston K. Robbins | 1991-12-31 |
| 4988446 | Method for spectroscopic analysis of hydrocarbons | Robert E. Overfield, Winston K. Robbins | 1991-01-29 |