Granted Patent
Utility
US 6,212,268 · App. 08/978,873
Pre-scheduled callback service
Inventor:
Jakob Nielsen
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Nov 26, 1997
Inventor
Jakob Nielsen
Assignee (at issue)
Sun Microsystems 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.