Granted Patent
Utility
US 5,633,660 · App. 08/430,887
Integrated touch screen input device
Inventors:
Peter Hansen, Lars Kragh
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Apr 28, 1995
Inventors
Peter Hansen
Lars Kragh
Assignee (at issue)
Trinitech Systems Inc.
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.