Granted Patent
Utility
US 6,385,297 · App. 09/285,954
Method and apparatus for qualifying loops for data services
Inventors:
Roger Faulkner, Kurt E. Schmidt, Yun Zhang
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Apr 2, 1999
Inventors
Roger Faulkner
Kurt E. Schmidt
Yun Zhang
Assignee (at issue)
Teradyne, 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.