Granted Patent
Utility
US 4,675,272 · App. 06/793,927
Electrolevelled substrate for electrophotographic photoreceptors and method of fabricating same
Inventor:
Marvin S. Siskind
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Nov 1, 1985
Inventor
Marvin S. Siskind
Assignee (at issue)
Energy Conversion Devices, 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.