Granted Patent
Utility
US 4,370,867 · App. 06/244,959
Open top refrigerated display case with ambient air defrost
Inventor:
Fayez F. Ibrahim
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Mar 18, 1981
Inventor
Fayez F. Ibrahim
Assignee (at issue)
Tyler Refrigeration Corporation
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.