Granted Patent
Utility
US 4,853,580 · App. 07/229,061
Piezoelectric pulse generator
Inventor:
Stanley Joseph Sula
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Aug 5, 1988
Inventor
Stanley Joseph Sula
Assignee (at issue)
Tektronix, 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.