Granted Patent
Utility
US 6,137,829 · App. 08/979,455
System and method for transmitting special marker symbols
Inventor:
William L. Betts
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Nov 26, 1997
Inventor
William L. Betts
Assignee (at issue)
PARADYNE 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.