Granted Patent
Utility
US 5,872,925 · App. 08/635,427
"Blocking a ""reply to all"" option in an electronic mail system"
Inventor:
Charles Seunghwan Han
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Apr 18, 1996
Inventor
Charles Seunghwan Han
Assignee (at issue)
NCR 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.