Granted Patent
Utility
US 4,734,348 · App. 06/920,728
Photosensitive member for electrophotography containing polyvinyl acetal
Inventors:
Tetsumi Suzuki, Tetsuo Murayama, Shinji Aramaki
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Oct 17, 1986
Inventors
Tetsumi Suzuki
Tetsuo Murayama
Shinji Aramaki
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.