Granted Patent
Utility
US 6,498,591 · App. 09/907,124
Diversity antenna apparatus and method
Inventor:
Kiyotada Yokogi
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jul 17, 2001
Inventor
Kiyotada Yokogi
Assignee (at issue)
SONY GROUP CORPORATION
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.