Granted Patent
Utility
US 4,475,534 · App. 05/965,094
Ventilating system for kitchen stove
Inventor:
Daniel Moriarty
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Nov 30, 1978
Inventor
Daniel Moriarty
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.