Granted Patent
Utility
US 5,841,607 · App. 08/835,241
Hydrodynamic seal for disc drive spindle motor
Inventors:
Raquib Uddin Khan, Mohamed Mizanur Rahman
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Apr 7, 1997
Inventors
Raquib Uddin Khan
Mohamed Mizanur Rahman
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.