Granted Patent
Utility
US 6,571,445 · App. 09/898,035
Method for making acoustic transducer
Inventor:
Igal Ladabaum
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Jul 3, 2001
Inventor
Igal Ladabaum
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.