Granted Patent
Utility
US 6,778,489 · App. 09/723,581
Subscriber terminating equipment
Inventors:
Kazuyoshi Maruyama, Masakazu Oi
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Nov 28, 2000
Inventors
Kazuyoshi Maruyama
Masakazu Oi
Assignee (at issue)
Fujitsu Limited
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.