Granted Patent
Utility
US 6,449,357 · App. 09/332,991
Queuing status reporting apparatus
Inventor:
Toshiyuki Sashihara
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jun 15, 1999
Inventor
Toshiyuki Sashihara
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.