Granted Patent
Utility
US 5,980,113 · App. 09/060,224
Asymmetric sealing means for fluid dynamic bearings
Inventor:
Alan Lyndon Grantz
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Apr 14, 1998
Inventor
Alan Lyndon Grantz
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.