Granted Patent
Utility
US 6,694,808 · App. 10/225,131
Method and apparatus for reducing pressure fluctuations in supersonic wind tunnel circuit
Inventors:
Hideo Sawada, Tetsuya Kunimasu
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Aug 22, 2002
Inventors
Hideo Sawada
Tetsuya Kunimasu
Assignee (at issue)
National Aerospace Laboratory of Japan
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.