Granted Patent
Utility
US 4,719,026 · App. 06/822,833
Electrophoretic method of producing high-density magnetic recording media and a composition and a suspension for practicing the same
Inventors:
Arden Sher, Karen Sabo
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Jan 27, 1986
Inventors
Arden Sher
Karen Sabo
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.