Granted Patent
Utility
US 6,519,480 · App. 08/827,107
Wireless telephone with virtual dialer
Inventors:
James E. Wicks, Yutaka Hasegawa
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Mar 17, 1997
Inventors
James E. Wicks
Yutaka Hasegawa
Assignees (at issue)
SONY GROUP CORPORATION
SONY ELECTRONICS INC.
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.