Granted Patent
Utility
US 5,907,306 · App. 08/777,042
Retractable radiotelephone antennas and associated radiotelephone communication methods
Inventors:
Peter D. Karabinis, Yawei Ma, Stanley Reinhold
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Dec 30, 1996
Inventors
Peter D. Karabinis
Yawei Ma
Stanley Reinhold
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.