Granted Patent
Utility
US 5,990,839 · App. 09/057,367
Adjustable antenna system for a portable radio unit in a satellite communication system
Inventors:
Henry Schefte, deceased, Sven Anders Gösta Derneryd, Jan Staffan Reinefjord
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Apr 8, 1998
Inventors
Henry Schefte, deceased
Sven Anders Gösta Derneryd
Jan Staffan Reinefjord
Assignee (at issue)
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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.