Granted Patent
Utility
US 5,530,893 · App. 08/257,395
System for selectively communicating information between processor and built-in keyboard and external input means
Inventor:
Haruo Sugi
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Jun 9, 1994
Inventor
Haruo Sugi
Assignee (at issue)
International Business Machines 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.