Granted Patent
Utility
US 4,368,379 · App. 04/150,544
Toaster having toasting control for convenience foods
Inventor:
Charles Swanson
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Jun 7, 1971
Inventor
Charles Swanson
Assignee (at issue)
Sunbeam Corporation Limited
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.