Granted Patent
Utility
US 5,973,996 · App. 09/064,582
Ultrasound intrusion detector
Inventors:
Boris Zhevelev, Mark Moldavsky
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Apr 22, 1998
Inventors
Boris Zhevelev
Mark Moldavsky
Assignee (at issue)
VISONIC LTD.
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.