Granted Patent
Utility
US 6,140,975 · App. 08/967,375
Fractal antenna ground counterpoise, ground planes, and loading elements
Inventor:
Nathan Cohen
Patented Case
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Granted: Oct 31, 2000
Filed: Nov 7, 1997
Inventor
Nathan Cohen
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.