DA

Dennis A. Abramsohn

Xerox: 29 patents #437 of 8,622Top 6%
HP HP: 9 patents #1,691 of 16,619Top 15%
📍 Pittsford, NY: #46 of 976 inventorsTop 5%
🗺 New York: #2,725 of 115,490 inventorsTop 3%
Overall (All Time): #82,453 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
5340679 Intermediate transfer element coatings Santokh S. Badesha, Joseph Mammino, Donald S. Sypula, Arnold W. Henry, George J. Heeks +2 more 1994-08-23
5338587 Electrographic methods Joseph Mammino, George J. Heeks, Arnold W. Henry, Louis D. Fratangelo, David H. Pan +1 more 1994-08-16
5336577 Single layer photoreceptor John W. Spiewak, John F. Yanus, Damodar M. Pai, Joseph Mammino, William W. Limburg +7 more 1994-08-09
5298956 Reinforced seamless intermediate transfer member Joseph Mammino, Donald S. Sypula, John S. Berkes, Edward L. Schlueter, Jr., Gerald M. Fletcher +5 more 1994-03-29
5266431 Electrographic imaging members Joseph Mammino 1993-11-30
5243392 Imaging apparatus and process with intermediate transfer element John S. Berkes, Frank J. Bonsignore, Joseph Mammino, Donald S. Sypula 1993-09-07
5177538 Phenolic graphite donor roll Joseph Mammino, Donald S. Sypula 1993-01-05
5153618 Ionographic imaging system John A. Frank, Joseph Mammino, Donald S. Sypula, Jerome P. Chasko, William L. Gary +4 more 1992-10-06
5096796 Blocking and overcoating layers for electroreceptors Joseph Mammino, Oscar G. Hauser, Deborah J. Nichol-Landry, Donald S. Sypula, Robert W. Anderson +1 more 1992-03-17
5039598 Ionographic imaging system John A. Frank, Joseph Mammino, Brendan C. Casey, Donald S. Sypula 1991-08-13
4988597 Conductive and blocking layers for electrophotographic imaging members John W. Spiewak, Huoy-Jen Yuh, Constance J. Thornton, Deborah J. Nichol-Landry, Joseph Mammino 1991-01-29
4750018 Pre-transfer copy sheet cleaning apparatus Arthur M. Gooray, Stephen Borostyan, Joseph Mammino 1988-06-07
4747992 Process for fabricating a belt Donald S. Sypula, Merlin E. Scharfe, Paul J. Brach, Clifford H. Griffiths, Deborah J. Nichol-Landry +6 more 1988-05-31
4515882 Overcoated electrophotographic imaging system Joseph Mammino, Donald S. Sypula, Martin A. Abkowitz, Merlin E. Scharfe 1985-05-07