Granted Patent
Utility
US 6,094,587 · App. 08/995,795
Programming of a telephone's ringing tone
Inventors:
Taneli Armanto, Vesa Ylitolva, Jani Leppälammi
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Dec 22, 1997
Inventors
Taneli Armanto
Vesa Ylitolva
Jani Leppälammi
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.