Granted Patent
Utility
US 5,404,067 · App. 08/249,693
Bonded piezoelectric bending transducer and process for producing the same
Inventors:
Christian Stein, Thomas Mockl
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: May 26, 1994
Inventors
Christian Stein
Thomas Mockl
Assignee (at issue)
Siemens Aktiengesellschaft
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.