Granted Patent
Utility
US 4,302,948 · App. 06/073,247
Refrigerated display case having a unitary outlet grid
Inventors:
Fayez F. Ibrahim, Elmer J. Subera, William DeBruyn
Patented Case
View Patent ↗
Granted: Dec 1, 1981
Filed: Sep 6, 1979
Inventors
Fayez F. Ibrahim
Elmer J. Subera
William DeBruyn
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.