Granted Patent
Utility
US 6,602,045 · App. 09/775,067
Wingtip windmill and method of use
Inventor:
Robert I. Hickey
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Feb 1, 2001
Inventor
Robert I. Hickey
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.