DS

Donald S. Sypula

Xerox: 41 patents #285 of 8,622Top 4%
📍 Fairport, NY: #36 of 1,225 inventorsTop 3%
🗺 New York: #2,449 of 115,490 inventorsTop 3%
Overall (All Time): #74,066 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
5243392 Imaging apparatus and process with intermediate transfer element John S. Berkes, Frank J. Bonsignore, Joseph Mammino, Dennis A. Abramsohn 1993-09-07
5215841 Electrophotographic imaging member with overcoatings containing fullerenes Merlin E. Scharfe, Ronald F. Ziolo, Joseph Mammino 1993-06-01
5177538 Phenolic graphite donor roll Joseph Mammino, Dennis A. Abramsohn 1993-01-05
5153618 Ionographic imaging system John A. Frank, Joseph Mammino, Dennis A. Abramsohn, Jerome P. Chasko, William L. Gary +4 more 1992-10-06
5120628 Transparent photoreceptor overcoatings Joseph Mammino, Ronald F. Ziolo 1992-06-09
5096796 Blocking and overcoating layers for electroreceptors Joseph Mammino, Oscar G. Hauser, Dennis A. Abramsohn, Deborah J. Nichol-Landry, Robert W. Anderson +1 more 1992-03-17
5073434 Ionographic imaging system John A. Frank, Joseph Mammino, Dennis A. Abramsohm, Jerome P. Chasko, William L. Gary +4 more 1991-12-17
5064509 Multilayer belts formed by electrodeposition Andrew R. Melnyk, Joseph Mammino, Ronald E. Jansen, William G. Herbert, Henry G. Grey 1991-11-12
5039598 Ionographic imaging system Dennis A. Abramsohn, John A. Frank, Joseph Mammino, Brendan C. Casey 1991-08-13
4952293 Polymer electrodeposition process Joseph Mammino 1990-08-28
4747992 Process for fabricating a belt Merlin E. Scharfe, Dennis A. Abramsohn, Paul J. Brach, Clifford H. Griffiths, Deborah J. Nichol-Landry +6 more 1988-05-31
4711833 Powder coating process for seamless substrates T. Brian McAneney, Rafik O. Loutfy, Joseph Mammino, Deborah J. Nichol-Landry 1987-12-08
4515882 Overcoated electrophotographic imaging system Joseph Mammino, Dennis A. Abramsohn, Martin A. Abkowitz, Merlin E. Scharfe 1985-05-07
4293627 Process of developing magnetic images and dry magnetic toner compositions Cornelius B. Murphy 1981-10-06
4282296 High speed magnetographic imaging process Cornelius B. Murphy 1981-08-04
4272600 Magnetic toners containing cubical magnetite Cornelius B. Murphy 1981-06-09
4256818 Magnetic or electrostatographic imaging and high speed fusing method uses polyamide resin in toner Daniel F. Blossey, Peter F. Erhardt, Charles G. Dickerson, James E. Kuder, J. Kirk Swigert 1981-03-17