Granted Patent
Utility
US 6,014,114 · App. 08/934,249
Antenna with stepped ground plane
Inventors:
Brian Westfall, Kevin B. Stephenson
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Sep 19, 1997
Inventors
Brian Westfall
Kevin B. Stephenson
Assignee (at issue)
Trimble Navigation Limited
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.