Granted Patent
Utility
US 5,087,176 · App. 06/684,241
Method and apparatus to provide thermal isolation of process gas bearings
Inventor:
Kurt H. Wieland
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Dec 20, 1984
Inventor
Kurt H. Wieland
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.