Granted Patent
Utility
US 6,507,588 · App. 09/277,660
Integrated services digital network terminal adapter
Inventor:
Nobuyuki Yasuda
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Mar 26, 1999
Inventor
Nobuyuki Yasuda
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.