Granted Patent
Utility
US 5,340,510 · App. 08/042,878
Method for making piezoelectric ceramic/polymer composite transducers
Inventor:
Leslie J. Bowen
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Apr 5, 1993
Inventor
Leslie J. Bowen
Assignee (at issue)
Materials Systems, 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.