Granted Patent
Utility
US 4,663,686 · App. 06/573,124
Head cleaning cartridge for magnetic disk drive
Inventors:
Robert D. Freeman, Michael R. Lyon, Stawomir P. Kleczkowski
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Jan 23, 1984
Inventors
Robert D. Freeman
Michael R. Lyon
Stawomir P. Kleczkowski
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.