Granted Patent
Utility
US 6,033,438 · App. 08/867,963
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Inventors:
John R. Bianchi, Kevin C. Carter, Bradley T. Estes, Larry Boyd, John Pafford
Patented Case
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Granted: Mar 7, 2000
Filed: Jun 3, 1997
Inventors
John R. Bianchi
Kevin C. Carter
Bradley T. Estes
Larry Boyd
John Pafford
Assignee (at issue)
SDGI, LLC
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.