Granted Patent
Utility
US 4,365,849 · App. 06/235,372
Hydrodynamic shaft bearing with concentric outer hydrostatic squeeze film bearing
Inventor:
John D. Halloran
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Feb 19, 1981
Inventor
John D. Halloran
Assignee (at issue)
Joy Manufacturing 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.