Granted Patent
Utility
US 4,926,872 · App. 07/173,763
Ultrasonic transducer system and method for the operation thereof
Inventors:
George Brock-Fisher, Paul R. Kranz, James R. Mniece, Karl Thiele, Bernard Joseph Savord, Richard B. Smith
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Mar 28, 1988
Inventors
George Brock-Fisher
Paul R. Kranz
James R. Mniece
Karl Thiele
Bernard Joseph Savord
Richard B. Smith
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.