Granted Patent
Utility
US 4,980,259 · App. 07/301,532
Liquid developer formulation
Inventors:
Benzion Landa, Yaacov Almog, Uri Levy
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Jan 26, 1989
Inventors
Benzion Landa
Yaacov Almog
Uri Levy
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.