Granted Patent
Utility
US 4,644,783 · App. 06/755,313
Active control of acoustic instability in combustion chambers
Inventors:
John Roberts, Maxime L. Vuillermoz
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Jul 15, 1985
Inventors
John Roberts
Maxime L. Vuillermoz
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.