Granted Patent
Utility
US 6,009,440 · App. 08/934,164
Method and system for automatic object refresh
Inventors:
Kevin K. Watson, William J. Johnson
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Sep 19, 1997
Inventors
Kevin K. Watson
William J. Johnson
Assignee (at issue)
MCI Communications 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.