Granted Patent
Utility
US 6,795,562 · App. 09/743,316
Ear wax guard for an in-the-ear hearing aid and a means for use at insertion and removal hereof
Inventors:
Finn Gunnersen, Jan Tøpholm
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jan 9, 2001
Inventors
Finn Gunnersen
Jan Tøpholm
Assignee (at issue)
Widex A/S
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.