Granted Patent
Utility
US 5,181,783 · App. 07/752,017
Apparatus for eliminating whirl instability in a gas supported bearing
Inventors:
Randy J. Sherman, August O. Weilbach, Derald F. Hanson, C. Dwight Smith
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Aug 29, 1991
Inventors
Randy J. Sherman
August O. Weilbach
Derald F. Hanson
C. Dwight Smith
Assignee (at issue)
Lincoln Laser Company
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.