Granted Patent
Utility
US 6,164,489 · App. 09/275,622
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Inventor:
Nick L. Altrock
Patented Case
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Granted: Dec 26, 2000
Filed: Mar 24, 1999
Inventor
Nick L. Altrock
Assignee (at issue)
Fabristeel Products, 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.