Granted Patent
Utility
US 5,884,045 · App. 08/617,830
Information providing system and user terminal
Inventor:
Akira Kurihara
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Mar 8, 1996
Inventor
Akira Kurihara
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.