Granted Patent
Utility
US 6,578,332 · App. 10/016,320
Foundation seal
Inventor:
Todd E. Bushberger
Patented Case
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Granted: Jun 17, 2003
Filed: Dec 10, 2001
Inventor
Todd E. Bushberger
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.