Granted Patent
Utility
US 6,516,355 · App. 08/662,077
Methods and apparatus for controlling digital communications switching equipment
Inventors:
Curtis Gill Hartmann, Osman Ali Duman
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Jun 12, 1996
Inventors
Curtis Gill Hartmann
Osman Ali Duman
Assignee (at issue)
ADC Newnet, Inc.
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.