Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 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 | $37,998,000 |
| 5034119 | Non-carcinogenic bright stock extracts and deasphalted oils | Gary R. Blackburn, Carl R. Mackerer, Arshavir E. Mekitarian, Edward N. Ladov | 1991-07-23 | $12,931,000 |