Granted Patent
Utility
US 6,486,836 · App. 09/803,383
Handheld wireless communication device having antenna with parasitic element exhibiting multiple polarization
Inventor:
Robert J. Hill
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 8, 2001
Inventor
Robert J. Hill
Assignee (at issue)
Tyco Electronics Logistics AG
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.