Granted Patent
Utility
US 5,654,841 · App. 08/498,621
Detection of mechanical defects in a disc drive using injected test signals
Inventors:
Daniel Eugene Hobson, Wayne Lawrence Felts, Randall D. Hampshire
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Jul 7, 1995
Inventors
Daniel Eugene Hobson
Wayne Lawrence Felts
Randall D. Hampshire
Assignee (at issue)
Seagate Technology LLC
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.