Granted Patent
Utility
US 6,547,715 · App. 09/613,560
Arrangement for mechanical coupling of a driver to a coupling site of the ossicular chain
Inventors:
Gerd Müller, Hans Leysieffer
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jul 10, 2000
Inventors
Gerd Müller
Hans Leysieffer
Assignee (at issue)
Phonak AG
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.