Granted Patent
Utility
US 5,876,124 · App. 08/638,025
Hydrodynamic bearing unit
Inventors:
Yan Zang, Michael R. Hatch, Shinichi Minakuchi
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Apr 26, 1996
Inventors
Yan Zang
Michael R. Hatch
Shinichi Minakuchi
Assignee (at issue)
Quantum 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.