Granted Patent
Utility
US 5,933,807 · App. 08/573,007
Screen control apparatus and screen control method
Inventor:
Keiji Fukuzawa
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Dec 15, 1995
Inventor
Keiji Fukuzawa
Assignee (at issue)
Nitsuko 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.