Granted Patent
Utility
US 4,557,118 · App. 06/678,917
Crisper humidity control
Inventors:
John J. Pink, Jeffrey L. Prunty, Donald Alba
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Dec 6, 1984
Inventors
John J. Pink
Jeffrey L. Prunty
Donald Alba
Assignee (at issue)
Amana Refrigeration, 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.