Granted Patent
Utility
US 5,536,543 · App. 08/435,756
Illuminated soft feel button
Inventor:
John P. Papandreou
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: May 5, 1995
Inventor
John P. Papandreou
Assignee (at issue)
Izumi 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.