Granted Patent
Utility
US 5,202,803 · App. 07/724,646
Disk file with liquid film head-disk interface
Inventors:
Thomas R. Albrecht, John S. Foster, Andrew M. Homola
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Jul 2, 1991
Inventors
Thomas R. Albrecht
John S. Foster
Andrew M. Homola
Assignee (at issue)
International Business Machines 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.