Granted Patent
Utility
US 6,009,458 · App. 08/644,020
Networked computer game system with persistent playing objects
Inventors:
William M. Hawkins, Oren J. Tversky, Nick Robins, Stewart K. Hester
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: May 9, 1996
Inventors
William M. Hawkins
Oren J. Tversky
Nick Robins
Stewart K. Hester
Assignee (at issue)
3DO Company
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.