Granted Patent
Utility
US 5,548,306 · App. 08/234,807
Visible and touchable touch screen shield
Inventors:
Joseph Yates, Donald L. Forsythe
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Apr 28, 1994
Inventors
Joseph Yates
Donald L. Forsythe
Assignee (at issue)
AT&T Global Information Solutions Company
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.