Granted Patent
Utility
US 5,600,705 · App. 08/387,926
Method for call establishment
Inventor:
Sanna Maenpaa
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Feb 23, 1995
Inventor
Sanna Maenpaa
Assignee (at issue)
Nokia Telecommunications Oy
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.