Granted Patent
Utility
US 5,758,486 · App. 08/714,966
Method and apparatus for keeping clean and/or cleaning a gas turbine using externally generated sound
Inventor:
Mircea Fetescu
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Sep 17, 1996
Inventor
Mircea Fetescu
Assignee (at issue)
Asea Brown Boveri, S.A.
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.