Granted Patent
Utility
US 6,162,313 · App. 09/120,588
Method for producing a composite structure including a piezoelectric element
Inventors:
Horst Bansemir, Stefan Emmerling
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Jul 22, 1998
Inventors
Horst Bansemir
Stefan Emmerling
Assignee (at issue)
Eurocopter Deutschland GmbH
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.