Granted Patent
Utility
US 5,228,581 · App. 07/758,066
Solid state shelf means for transforming an open wire shelf into a solid support within a refrigerated display case
Inventors:
Michael J. Palladino, Robert M. Foy, Glenn H. Morris, Sr.
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Sep 12, 1991
Inventors
Michael J. Palladino
Robert M. Foy
Glenn H. Morris, Sr.
Assignee (at issue)
Hill Refrigeration Division, Falcon Manufacturing 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.