Granted Patent
Utility
US 4,460,313 · App. 06/345,355
Heat shield for radial gas turbine
Inventor:
Ivar Austrem
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Mar 17, 1982
Inventor
Ivar Austrem
Assignee (at issue)
A/S Kongsberg Vapenfabrikk
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.