Granted Patent
Utility
US 5,588,592 · App. 08/421,685
Method and apparatus for detecting the onset of flooding of an ultrasonic atomizer
Inventor:
Robert F. Wilson
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Apr 13, 1995
Inventor
Robert F. Wilson
Assignee (at issue)
J. Eberspacher
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.