Granted Patent
Utility
US 4,375,155 · App. 06/334,416
Reach-in refrigerated display case with ambient air defrost
Inventors:
Ronald R. Rosanio, John J. Jud, Anthony Guaragno
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: Dec 24, 1981
Inventors
Ronald R. Rosanio
John J. Jud
Anthony Guaragno
Assignee (at issue)
Emhart Industries, 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.