Granted Patent
Utility
US 4,265,092 · App. 06/107,261
Refrigerated display case using air defrost with supplemental heater
Inventor:
Fayez F. Abraham
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Dec 26, 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.