Granted Patent
Utility
US 6,750,881 · App. 08/803,692
User definable on-line co-user lists
Inventor:
Barry Appelman
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Feb 24, 1997
Inventor
Barry Appelman
Assignee (at issue)
America Online, 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.