Granted Patent
Utility
US 4,750,335 · App. 07/057,551
Anti-condensation means for glass front display cases
Inventors:
George E. Wallace, Robert M. Foy
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Jun 3, 1987
Inventors
George E. Wallace
Robert M. Foy
Assignee (at issue)
Hill 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.