Granted Patent
Utility
US 6,677,914 · App. 10/146,542
Tunable antenna system
Inventor:
Michael E. Mertel
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: May 14, 2002
Inventor
Michael E. Mertel
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.