Granted Patent
Utility
US 4,630,532 · App. 06/722,941
Coffeemaker
Inventors:
Kurt J. Sonnentag, Norman A. Steinkamp
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Apr 12, 1985
Inventors
Kurt J. Sonnentag
Norman A. Steinkamp
Assignee (at issue)
John Zink Company, LLC
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.