Granted Patent
Utility
US 4,893,552 · App. 07/279,436
Beverage-making machine
Inventors:
Dieter Wunder, Hans J. Henning
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Dec 2, 1988
Inventors
Dieter Wunder
Hans J. Henning
Assignee (at issue)
The Braun Corporation
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.