Granted Patent
Utility
US 5,248,205 · App. 07/993,223
Foil thrust bearing with varying radial and circumferential stiffness
Inventors:
Alston L. Gu, Robert H. Nadjafi
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Dec 18, 1992
Inventors
Alston L. Gu
Robert H. Nadjafi
Assignee (at issue)
AlliedSignal, Inc.
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.