Granted Patent
Utility
US 6,466,679 · App. 09/438,373
Method for reducing magnetic noise fields in a hearing aid, and hearing aid with an induction coil for implementing the method
Inventor:
Kunibert Husung
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Nov 12, 1999
Inventor
Kunibert Husung
Assignee (at issue)
Siemens Audiologische Technik 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.