Granted Patent
Utility
US 6,643,579 · App. 10/237,908
System and method for aircraft and watercraft control and collision prevention
Inventor:
William Gutierrez
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Sep 6, 2002
Inventor
William Gutierrez
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.