Granted Patent
Utility
US 5,543,983 · App. 08/236,437
Servo controlled lubricant thickness for near magnetic recording
Inventors:
Thomas A. Gregory, James A. Hagan, Christopher Guild Keller
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: May 2, 1994
Inventors
Thomas A. Gregory
James A. Hagan
Christopher Guild Keller
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.