Granted Patent
Utility
US 5,334,805 · App. 07/972,605
Controller for an acoustic wave touch panel
Inventors:
Terrence J. Knowles, Del Ogren
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Nov 6, 1992
Inventors
Terrence J. Knowles
Del Ogren
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.