Granted Patent
Utility
US 6,135,238 · App. 09/298,599
Extended reaction acoustic liner for jet engines and the like
Inventors:
Noe Arcas, Frederick M. Hutto, Charles A. Parente
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Apr 23, 1999
Inventors
Noe Arcas
Frederick M. Hutto
Charles A. Parente
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.