Granted Patent
Utility
US 6,587,552 · App. 09/784,457
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Inventor:
Ron Zimmermann
Patented Case
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Granted: Jul 1, 2003
Filed: Feb 15, 2001
Inventor
Ron Zimmermann
Assignee (at issue)
Worlds.com, 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.