Granted Patent
Utility
US 4,404,816 · App. 06/254,134
Modular refrigeration assembly having air defrost system
Inventors:
Fayez F. Ibrahim, Terry Wessel
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Apr 14, 1981
Inventors
Fayez F. Ibrahim
Terry Wessel
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.