Granted Patent
Utility
US 5,771,135 · App. 08/595,518
Vibration damping system for head suspension assemblies
Inventors:
Oscar J. Ruiz, A. David Erpelding, Thomas F. Roth
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Feb 1, 1996
Inventors
Oscar J. Ruiz
A. David Erpelding
Thomas F. Roth
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.