Granted Patent
Utility
US 6,167,401 · App. 09/020,512
Manufacturing control network having a relational database
Inventors:
Andrei Csipkes, Mike J. Ransford, Dave A. Schwarten
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Feb 9, 1998
Inventors
Andrei Csipkes
Mike J. Ransford
Dave A. Schwarten
Assignee (at issue)
Ciena 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.