Granted Patent
Utility
US 5,313,708 · App. 07/986,123
Can opener
Inventors:
Billie R. Edwards, Mary Kathleen Barrow
Patented Case
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Granted: May 24, 1994
Filed: Dec 4, 1992
Inventors
Billie R. Edwards
Mary Kathleen Barrow
Assignee (at issue)
RIVAL
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.