Granted Patent
Utility
US 6,161,129 · App. 08/941,502
Unlisted address messaging system
Inventor:
Mark Meier Rochkind
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Sep 30, 1997
Inventor
Mark Meier Rochkind
Assignee (at issue)
AT&T CORP.
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.