Granted Patent
Utility
US 4,933,723 · App. 07/202,026
Resin coated transfer guide for electrophotographic apparatus
Inventors:
Atsushi Kakuta, Tetsuo Ishikawa, Makoto Kobayashi
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Jun 3, 1988
Inventors
Atsushi Kakuta
Tetsuo Ishikawa
Makoto Kobayashi
Assignee (at issue)
HITACHI, LTD.
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.