Granted Patent
Utility
US 5,329,070 · App. 08/017,827
Touch panel for an acoustic touch position sensor
Inventor:
Terence J. Knowles
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Feb 16, 1993
Inventor
Terence J. Knowles
Assignee (at issue)
Carroll Touch, 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.