Granted Patent
Utility
US 5,629,906 · App. 08/389,536
Ultrasonic transducer
Inventors:
Wojtek Sudol, Francis E. Gurrie, Larry A. Ladd
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Feb 15, 1995
Inventors
Wojtek Sudol
Francis E. Gurrie
Larry A. Ladd
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.