Granted Patent
Utility
US 6,683,879 · App. 09/258,370
Collision control circuit in ATM exchange
Inventor:
Youiti Kado
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Feb 26, 1999
Inventor
Youiti Kado
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.