Granted Patent
Utility
US 6,414,637 · App. 09/776,617
Dual frequency wideband radiator
Inventor:
Donald Keilen
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Feb 2, 2001
Inventor
Donald Keilen
Assignees (at issue)
RangeStar Wireless, Inc.
Tyco Electronics Logistics AG
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.