Granted Patent
Utility
US 5,839,666 · App. 08/841,276
Adjustable-spray nonliming shower head
Inventors:
Bruno Heimann, Gerd Scherzberg
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Apr 29, 1997
Inventors
Bruno Heimann
Gerd Scherzberg
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.