Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5465290 | Confirming identity of telephone caller | Thomas H. Hampton, Thomas J. Litle | 1995-11-07 |
| 5178747 | Non-carcinogenic bright stock extracts and deasphalted oils | Gary R. Blackburn, Carl R. Mackerer, Arshavir E. Mekitarian, Edward N. Ladov | 1993-01-12 |
| 5034119 | Non-carcinogenic bright stock extracts and deasphalted oils | Gary R. Blackburn, Carl R. Mackerer, Arshavir E. Mekitarian, Edward N. Ladov | 1991-07-23 |