Granted Patent
Utility
US 4,452,399 · App. 06/502,339
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Inventors:
Donald W. Schoenleber, James A. Mattia
Patented Case
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Granted: Jun 5, 1984
Filed: Jun 8, 1983
Inventors
Donald W. Schoenleber
James A. Mattia
Assignee (at issue)
Beatrice Foods Co.
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.