Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076909 | Method for refining or upgrading hydrocarbons with analysis | Winston K. Robbins, Joel I. Haberman | 1991-12-31 |
| 4988446 | Method for spectroscopic analysis of hydrocarbons | Joel I. Haberman, Winston K. Robbins | 1991-01-29 |
| 4865746 | Chromatographic analysis of hydrocarbons | — | 1989-09-12 |
| 4643821 | Integrated method for extracting nickel and vanadium compounds from oils | — | 1987-02-17 |
| 4618413 | Method for extracting nickel and vanadium compounds from oils | — | 1986-10-21 |