Granted Patent
Utility
US 5,977,689 · App. 08/896,969
Biocompatible, implantable hearing aid microactuator
Inventor:
Armand P. Neukermans
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jul 18, 1997
Inventor
Armand P. Neukermans
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.