Granted Patent
Utility
US 4,338,792 · App. 06/225,997
Refrigerated merchandiser display case with defrost device
Inventor:
Fayez F. Ibrahim
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jan 19, 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.