Granted Patent
Utility
US 6,647,271 · App. 09/532,773
Transmission channel allocation method and radio apparatus using the same
Inventor:
Yoshiharu Doi
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Mar 22, 2000
Inventor
Yoshiharu Doi
Assignee (at issue)
SANYO ELECTRIC 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.