Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5385796 | Electrophotographic imaging member having unmodified hydroxy methacrylate polymer charge blocking layer | John W. Spiewak, Huoy-Jen Yuh, Constance J. Thornton, Dennis A. Abramsohn, Joseph Mammino +4 more | 1995-01-31 |
| 5153618 | Ionographic imaging system | John A. Frank, Joseph Mammino, Dennis A. Abramsohn, Donald S. Sypula, Jerome P. Chasko +4 more | 1992-10-06 |
| 5149609 | Polymers for photoreceptor overcoating for use as protective layer against liquid xerographic ink interaction | Robert C. U. Yu, John W. Spiewak | 1992-09-22 |
| 5096796 | Blocking and overcoating layers for electroreceptors | Joseph Mammino, Oscar G. Hauser, Dennis A. Abramsohn, Donald S. Sypula, Robert W. Anderson +1 more | 1992-03-17 |
| 5073434 | Ionographic imaging system | John A. Frank, Joseph Mammino, Dennis A. Abramsohm, Donald S. Sypula, Jerome P. Chasko +4 more | 1991-12-17 |
| 4988597 | Conductive and blocking layers for electrophotographic imaging members | John W. Spiewak, Huoy-Jen Yuh, Constance J. Thornton, Dennis A. Abramsohn, Joseph Mammino | 1991-01-29 |
| 4747992 | Process for fabricating a belt | Donald S. Sypula, Merlin E. Scharfe, Dennis A. Abramsohn, Paul J. Brach, Clifford H. Griffiths +6 more | 1988-05-31 |
| 4711833 | Powder coating process for seamless substrates | T. Brian McAneney, Rafik O. Loutfy, Joseph Mammino, Donald S. Sypula | 1987-12-08 |
| 4606934 | Process for preparing overcoated electrophotographic imaging members | Lieng-Huang Lee, Christine J. Tarnawskyj | 1986-08-19 |