Granted Patent
Utility
US 6,316,865 · App. 09/539,245
Piezoelectric element
Inventor:
Michael Riedel
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Mar 30, 2000
Inventor
Michael Riedel
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.