Granted Patent
Utility
US 4,295,340 · App. 06/060,459
Refrigerated display case having ambient air defrost
Inventor:
Fayez F. Abraham
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Jul 25, 1979
Inventor
Fayez F. Abraham
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.