Granted Patent
Utility
US 6,239,719 · App. 08/868,401
Method for time-stamping a message based on a recipient location
Inventor:
Oliver Mason Hopkins
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jun 3, 1997
Inventor
Oliver Mason Hopkins
Assignee (at issue)
AT&T WIRELESS SERVICES, 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.