Granted Patent
Utility
US 5,476,237 · App. 08/080,050
Syntactic film for thrust reverser blocker doors
Inventor:
James A. Clarke
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Jun 18, 1993
Inventor
James A. Clarke
Assignee (at issue)
NORTHROP GRUMMAN 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.