Granted Patent
Utility
US 5,999,133 · App. 09/045,641
Retractable antenna with shifting electrical length
Inventor:
Anders Svensson
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Mar 23, 1998
Inventor
Anders Svensson
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.