Granted Patent
Utility
US 5,899,176 · App. 09/019,624
Apparatus for reducing engine fan noise
Inventors:
Robert D. Kern, Andrew B. Robson, Gerald C. Ruehlow, Peter Winnie
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Feb 6, 1998
Inventors
Robert D. Kern
Andrew B. Robson
Gerald C. Ruehlow
Peter Winnie
Assignee (at issue)
Genewal Co., Ltd.
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.