Granted Patent
Utility
US 4,876,776 · App. 07/109,358
Method of making piezoelectric composites
Inventors:
Roger W. Whatmore, Andrew G. Munns, David W. Lane
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Feb 11, 1988
Inventors
Roger W. Whatmore
Andrew G. Munns
David W. Lane
Assignee (at issue)
Plessey Overseas Limited
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.