Granted Patent
Utility
US 4,330,702 · App. 06/199,048
Electronic control system for coffeemaker
Inventor:
Chung-Kae C. Cheng
Patented Case
View Patent ↗
Granted: May 18, 1982
Filed: Oct 20, 1980
Inventor
Chung-Kae C. Cheng
Assignee (at issue)
General Electric Company
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.