Granted Patent
Utility
US 6,137,998 · App. 08/994,419
Shielding for radiotelephones with retractable antennas
Inventors:
Howard E. Holshouser, Robert A. Sadler
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Dec 19, 1997
Inventors
Howard E. Holshouser
Robert A. Sadler
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.