Granted Patent
Utility
US 5,329,967 · App. 08/091,239
Lever assembly for single-control mixing valve
Inventor:
Werner Gnauert
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Jul 13, 1993
Inventor
Werner Gnauert
Assignee (at issue)
Friedrich Grohe AG
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.