Granted Patent
Utility
US 6,673,298 · App. 10/041,398
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Inventor:
David Krueger
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jan 8, 2002
Inventor
David Krueger
Assignee (at issue)
Kerr 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.