Granted Patent
Utility
US 4,891,912 · App. 07/297,340
Refrigerator door assembly with multiple gasket sealing arrangement
Inventor:
Gerald J. Bockwinkel
Patented Case
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Granted: Jan 9, 1990
Filed: Jan 17, 1989
Inventor
Gerald J. Bockwinkel
Assignee (at issue)
Ardco, 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.