Granted Patent
Utility
US 4,499,357 · App. 06/503,505
Electronically controlled cooking apparatus
Inventor:
Toshitada Kojima
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Jun 13, 1983
Inventor
Toshitada Kojima
Assignee (at issue)
SANYO ELECTRIC CO., LTD.
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.