Granted Patent
Utility
US 6,314,976 · App. 09/330,600
Umbrella frame
Inventor:
Dougan H. Clarke
Patented Case
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Granted: Nov 13, 2001
Filed: Jun 11, 1999
Inventor
Dougan H. Clarke
Assignee (at issue)
Tucci Engineering & Design, 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.