Granted Patent
Utility
US 5,825,117 · App. 08/622,483
Second harmonic imaging transducers
Inventors:
William Ossmann, Larry Pendergrass, Martin K. Mason
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Mar 26, 1996
Inventors
William Ossmann
Larry Pendergrass
Martin K. Mason
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.