Granted Patent
Utility
US 6,400,336 · App. 09/864,614
Tunable dual band antenna system
Inventor:
Andrey Gleener
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: May 23, 2001
Inventor
Andrey Gleener
Assignee (at issue)
SIERRA WIRELESS, INC.
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.