Granted Patent
Utility
US 6,594,267 · App. 09/323,123
AAL2 packet exchange device
Inventor:
Hiroshi Dempo
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Jun 1, 1999
Inventor
Hiroshi Dempo
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.