Granted Patent
Utility
US 6,070,792 · App. 09/158,237
Reusable envelope
Inventor:
Fred Foushee
Patented Case
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Granted: Jun 6, 2000
Filed: Sep 22, 1998
Inventor
Fred Foushee
Assignee (at issue)
Rock-Tenn Company
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.