Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352802 | Aromatic heterocyclic-substituted cyclic sulfone compounds and electrophotographic elements containing them | Michael R. Detty, J. Robin Cowdery, Ralph H. Young | 1994-10-04 |
| 5300385 | Aromatic heterocyclic-substituted cyclic sulfone compounds and electrophotographic elements containing them | Michael R. Detty, J. Robin Cowdery, Ralph H. Young | 1994-04-05 |