Granted Patent
Utility
US 6,229,490 · App. 09/123,731
Antenna coupler for testing mobile telephones
Inventor:
Andreas Hofmann
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Jul 28, 1998
Inventor
Andreas Hofmann
Assignee (at issue)
Wavetek Corporation
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.