Granted Patent
Utility
US 6,225,950 · App. 09/441,986
Polarization isolation in antennas
Inventors:
Ingrid Camilla Johansson, Christer Bruno Lindqvist, Jonas Sandstedt, Bengt Svensson, Bjorn Johannisson
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Nov 17, 1999
Inventors
Ingrid Camilla Johansson
Christer Bruno Lindqvist
Jonas Sandstedt
Bengt Svensson
Bjorn Johannisson
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.