Granted Patent
Utility
US 5,907,604 · App. 08/823,939
Image icon associated with caller ID
Inventor:
P. Robert Hsu
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Mar 25, 1997
Inventor
P. Robert Hsu
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.