Granted Patent
Utility
US 6,788,955 · App. 09/997,119
Radio communication apparatus
Inventor:
Etsuji Yamamoto
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Nov 28, 2001
Inventor
Etsuji Yamamoto
Assignee (at issue)
Vertex Standard Co., Ltd.
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.