Granted Patent
Utility
US 4,569,583 · App. 06/620,643
Electrostatic charge probe for electrophotographic apparatus
Inventors:
Thomas Robson, Aubrey E. Thompson
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Jun 14, 1984
Inventors
Thomas Robson
Aubrey E. Thompson
Assignee (at issue)
Burroughs, 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.