Granted Patent
Utility
US 6,556,686 · App. 09/532,072
Programmable hearing aid device and method for operating a programmable hearing aid device
Inventor:
Tom Weidner
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Mar 21, 2000
Inventor
Tom Weidner
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.