Granted Patent
Utility
US 5,410,439 · App. 08/200,838
Disk file with clearance and glide measurement and early head crash warning
Inventors:
Gary T. Egbert, Hal H. Ottesen, Gordon James Smith
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Feb 22, 1994
Inventors
Gary T. Egbert
Hal H. Ottesen
Gordon James Smith
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.