Granted Patent
Utility
US 5,735,166 · App. 08/353,833
Ultrasonic micro-sensor for level leak alert and interface detector
Inventor:
Naim Dam
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Dec 12, 1994
Inventor
Naim Dam
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.