Granted Patent
Utility
US 5,926,147 · App. 08/836,115
Planar antenna design
Inventors:
Tomas Sehm, Arto Lehto, Antti Raisanen
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Apr 22, 1997
Inventors
Tomas Sehm
Arto Lehto
Antti Raisanen
Assignee (at issue)
Nokia Telecommunications Oy
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.