Granted Patent
Utility
US 4,370,866 · App. 06/221,375
Removable duct panel for multiband refrigerated display cases
Inventor:
Fayez F. Abraham
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Dec 30, 1980
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.