Granted Patent
Utility
US 5,414,502 · App. 08/198,599
Electrographic imaging element
Inventors:
Douglas A. Cahill, Donald A. Brault, Richard S. Himmelwright
Patented Case
View Patent ↗
Granted: May 9, 1995
Filed: Feb 18, 1994
Inventors
Douglas A. Cahill
Donald A. Brault
Richard S. Himmelwright
Assignee (at issue)
Rexham Graphics Incorporated
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.