Granted Patent
Utility
US 6,157,727 · App. 09/083,049
Communication system including a hearing aid and a language translation system
Inventor:
Valentin Chapero Rueda
Patented Case
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Granted: Dec 5, 2000
Filed: May 22, 1998
Inventor
Valentin Chapero Rueda
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.