Granted Patent
Utility
US 6,631,639 · App. 10/231,595
System and method of non-invasive discreet, continuous and multi-point level liquid sensing using flexural waves
Inventors:
Naim Dam, Howard Austerlitz
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Aug 30, 2002
Inventors
Naim Dam
Howard Austerlitz
Assignee (at issue)
Cosense, 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.