Granted Patent
Utility
US 5,620,134 · App. 08/553,221
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Inventor:
Richard E. Gulliver
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Nov 7, 1995
Inventor
Richard E. Gulliver
Assignee (at issue)
Gulf States Paper Corporation
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.