Granted Patent
Utility
US 5,001,681 · App. 07/454,226
Monolaminar piezoelectric bender bar
Inventors:
John K. Bertoldi, Manuel Gonzalez
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Dec 21, 1989
Inventors
John K. Bertoldi
Manuel Gonzalez
Assignee (at issue)
Honeywell 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.