Granted Patent
Utility
US 5,835,881 · App. 08/587,266
Portable system for providing voice driving directions
Inventors:
Karen I. Trovato, Daniel Pelletier
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Jan 16, 1996
Inventors
Karen I. Trovato
Daniel Pelletier
Assignee (at issue)
Philips Electronics North America Corporation
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.