Granted Patent
Utility
US 4,637,600 · App. 06/346,817
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Inventors:
George F. Bartimes, Leonard A. Blomquist
Patented Case
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Granted: Jan 20, 1987
Filed: Feb 8, 1982
Inventors
George F. Bartimes
Leonard A. Blomquist
Assignee (at issue)
Continental Plastic Containers, 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.