Granted Patent
Utility
US 4,749,047 · App. 07/044,581
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Inventor:
William M. Taylor
Patented Case
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Granted: Jun 7, 1988
Filed: Apr 30, 1987
Inventor
William M. Taylor
Assignee (at issue)
Cameron Iron Works USA, 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.