Granted Patent
Utility
US 4,384,036 · App. 06/300,098
Process for producing liquid developer for electrostatic photography using selected solvents
Inventor:
Jun Sasaki
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Sep 8, 1981
Inventor
Jun Sasaki
Assignee (at issue)
Fujitsu Limited
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.