Granted Patent
Utility
US 4,613,745 · App. 06/597,505
Electric water heating apparatus for a drip coffee maker
Inventors:
Vincent G. Marotta, Ikuo Komatsu
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Apr 6, 1984
Inventors
Vincent G. Marotta
Ikuo Komatsu
Assignee (at issue)
North American Systems, Inc.
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.