Schram; Joseph G.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Schram; Joseph G..The latest application filed is for "donor roll for scavengeless development in a xerographic apparatus".

Company Profile

0.8.0

Schram; Joseph G. - Liverpool NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Donor roll for scavengeless development in a xerographic apparatus Grant RE35,698 - Behe , et al. December 23, 1	1997-12-23
Contaminant control for scavengeless development in a xerographic apparatus Grant 5,253,016 - Behe , et al. October 12, 1	1993-10-12
Donor roll for scavengeless development in a xerographic apparatus Grant 5,245,392 - Behe , et al. September 14, 1	1993-09-14
Development system having tensioned electrode wires Grant 5,153,647 - Barker , et al. October 6, 1	1992-10-06
Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll Grant 5,063,875 - Folkins , et al. November 12, 1	1991-11-12
Scavengeless development apparatus having a donor belt Grant 5,053,824 - Schram October 1, 1	1991-10-01
Developing device with dual donor rollers including electrically biased electrodes for each donor roller Grant 5,032,872 - Folkins , et al. July 16, 1	1991-07-16
Electrophotographic device having a.c. biased cleaning member Grant 4,875,081 - Goffe , et al. October 17, 1	1989-10-17

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