Granted Patent
Utility
US 4,585,535 · App. 06/710,586
Electrophoretic method of producing high-density magnetic recording media
Inventors:
Arden Sher, Karen Sabo
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Mar 11, 1985
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.