Granted Patent
Utility
US 5,854,450 · App. 08/695,716
Acoustic condition sensor employing a plurality of mutually non-orthogonal waves
Inventor:
Joel C. Kent
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Aug 12, 1996
Inventor
Joel C. Kent
Assignee (at issue)
ELO TouchSystems, 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.