Granted Patent
Utility
US 4,411,976 · App. 06/338,519
Method of increasing the density of liquid-developed gap-transferred electrophotographic images and developing composition for use therein
Inventors:
Benzion Landa, E. Paul Charlap
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Jan 11, 1982
Inventors
Benzion Landa
E. Paul Charlap
Assignee (at issue)
Savin 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.