Granted Patent
Utility
US 5,060,692 · App. 07/610,253
Seal ring for single-control faucet
Inventors:
Manfred Pawelzik, Horst Titze
Patented Case
View Patent ↗
Granted: Oct 29, 1991
Filed: Nov 7, 1990
Inventors
Manfred Pawelzik
Horst Titze
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.