Granted Patent
Utility
US 5,969,903 · App. 09/135,098
Magnetic particle trap for hydrodynamic bearing
Inventors:
Norbert Steven Parsoneault, Michael D. Kennedy, Hans Leuthold
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Aug 17, 1998
Inventors
Norbert Steven Parsoneault
Michael D. Kennedy
Hans Leuthold
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.