Granted Patent
Utility
US 4,659,014 · App. 06/772,753
Ultrasonic spray nozzle and method
Inventors:
J. Michael Soth, James R. Klemm
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Sep 5, 1985
Inventors
J. Michael Soth
James R. Klemm
Assignee (at issue)
Delavan 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.