Granted Patent
Utility
US 4,308,044 · App. 06/137,092
Extreme pressure belted structures
Inventor:
Jon H. Myer
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Apr 4, 1980
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.