Granted Patent
Utility
US 4,606,370 · App. 06/692,036
Flow-switching water-mixing faucet assembly
Inventors:
Werner Geipel, Bruno Heimann, Vinzenz Grendel
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jan 16, 1985
Inventors
Werner Geipel
Bruno Heimann
Vinzenz Grendel
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.