Granted Patent
Utility
US 6,031,471 · App. 09/020,624
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Inventor:
Mark Wilson
Patented Case
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Granted: Feb 29, 2000
Filed: Feb 9, 1998
Inventor
Mark Wilson
Assignee (at issue)
Trimble Navigation Limited
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.