Granted Patent
Utility
US 5,532,100 · App. 07/639,360
Multi-roller electrostatic toning
Inventors:
Orrin D. Christy, Daniel E. Kanfoush, Mark A. Matheis, John E. P. Pickett, Robert I. Thomson
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Jan 9, 1991
Inventors
Orrin D. Christy
Daniel E. Kanfoush
Mark A. Matheis
John E. P. Pickett
Robert I. Thomson
Assignee (at issue)
Moore Business Forms, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.