Granted Patent
Utility
US 6,556,846 · App. 09/523,560
Device for retrieving dial data and method of retrieving dial data
Inventor:
Etsuko Kimura
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Mar 10, 2000
Inventor
Etsuko Kimura
Assignee (at issue)
NEC 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.