Granted Patent
Utility
US 5,014,749 · App. 07/491,667
Mixing valve with decorative faucet
Inventors:
Jurgen Humpert, Manfred Pawelzik
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Mar 9, 1990
Inventors
Jurgen Humpert
Manfred Pawelzik
Assignee (at issue)
Friedrich Grohe Armaturenfabrik GmbH & Co.
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.