Granted Patent
Utility
US 5,850,895 · App. 08/854,317
Metallic aircraft brake disk having thermal relief slots
Inventor:
John G. Evrard
Patented Case
View Patent ↗
Granted: Dec 22, 1998
Filed: May 12, 1997
Inventor
John G. Evrard
Assignee (at issue)
Aircraft Braking Systems Corporation
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.