Granted Patent
Utility
US 5,619,982 · App. 08/509,358
Method and apparatus for operating a downdraft cooking vapor withdrawal system
Inventors:
Paul H. Kelly, Ranya C. Hibbler
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jul 31, 1995
Inventors
Paul H. Kelly
Ranya C. Hibbler
Assignee (at issue)
Maytag 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.