Granted Patent
Utility
US 4,705,019 · App. 07/022,284
Gas downdraft range with selectively interchangeable burners
Inventors:
Stanley H. Beach, Richard W. Brangan
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: Mar 5, 1987
Inventors
Stanley H. Beach
Richard W. Brangan
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.