Granted Patent
Utility
US 5,388,921 · App. 08/185,148
Structure of computer keyboard (I)
Inventor:
Stephen Chung
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Jan 24, 1994
Inventor
Stephen Chung
Assignee (at issue)
Silitek 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.