Granted Patent
Utility
US 5,126,589 · App. 07/575,922
Piezoelectric driver using resonant energy transfer
Inventor:
Herman L. Renger
Patented Case
View Patent ↗
Granted: Jun 30, 1992
Filed: Aug 31, 1990
Inventor
Herman L. Renger
Assignee (at issue)
Siemens Pacesetter, Inc.
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.