Granted Patent
Utility
US 4,853,493 · App. 07/190,762
Electrographic apparatus
Inventors:
Philip A. Schlosser, Robert G. Kable
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: May 6, 1988
Inventors
Philip A. Schlosser
Robert G. Kable
Assignee (at issue)
Scriptel Corporation
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.