Granted Patent
Utility
US 5,566,161 · App. 08/372,819
Adaptive DS1 frame format conversion device for remotely monitoring and testing the performance of telephone circuits
Inventors:
Paul R. Hartmann, Raymond L. Behr, George A. Wissing, Robert G. Young, Ramone A. Hecker, Maynard A. Wright, Edward T. Ellebracht
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Dec 23, 1994
Inventors
Paul R. Hartmann
Raymond L. Behr
George A. Wissing
Robert G. Young
Ramone A. Hecker
Maynard A. Wright
Edward T. Ellebracht
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.