Granted Patent
Utility
US 6,198,943 · App. 09/313,044
Parasitic dual band matching of an internal looped dipole antenna
Inventors:
Robert A. Sadler, Gerard James Hayes
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: May 17, 1999
Inventors
Robert A. Sadler
Gerard James Hayes
Assignee (at issue)
ERICSSON GMBH
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.