Granted Patent
Utility
US 6,806,815 · App. 09/847,140
Keypad structure with inverted domes
Inventors:
Terho Kaikuranta, Bror Svarfvar
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: May 2, 2001
Inventors
Terho Kaikuranta
Bror Svarfvar
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.