Granted Patent
Utility
US 6,196,500 · App. 09/330,444
Hybrid ice protection system for use on roughness-sensitive airfoils
Inventors:
Kamel Al-Khalil, Thomas F. W. Ferguson
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Jun 11, 1999
Inventors
Kamel Al-Khalil
Thomas F. W. Ferguson
Assignee (at issue)
Cox & Company, Inc.
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.