Granted Patent
Utility
US 5,041,472 · App. 07/630,141
Syntactic foam energy absorber
Inventor:
Jon H. Myer
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Dec 19, 1990
Inventor
Jon H. Myer
Assignee (at issue)
Hughes Aircraft 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.