Granted Patent
Utility
US 5,899,439 · App. 08/753,313
Handle with adjustable stop for flow-control valve
Inventors:
Adolf Gottwald, Wilfried Koster
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Nov 22, 1996
Inventors
Adolf Gottwald
Wilfried Koster
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.