Granted Patent
Utility
US 5,897,076 · App. 08/650,686
High-efficiency, supersonic aircraft
Inventor:
Richard R. Tracy
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: May 20, 1996
Inventor
Richard R. Tracy
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.