Granted Patent
Utility
US 6,694,015 · App. 09/519,813
Universal line interface in telecommunications system
Inventors:
Charles Calvin Byers, Mark Alan Lassig, Carl Robert Posthuma
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Mar 6, 2000
Inventors
Charles Calvin Byers
Mark Alan Lassig
Carl Robert Posthuma
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.