Granted Patent
Utility
US 4,743,989 · App. 06/854,292
Plural magnetic disk assembly
Inventors:
Randall C. Bauck, David E. Jones, Robert D. Freeman
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Apr 21, 1986
Inventors
Randall C. Bauck
David E. Jones
Robert D. Freeman
Assignee (at issue)
IO-Mega Holding 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.