Granted Patent
Utility
US 6,003,170 · App. 09/087,267
Single-lever faucet with electronic control
Inventors:
Jurgen Humpert, Eckhard Gransow
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: May 29, 1998
Inventors
Jurgen Humpert
Eckhard Gransow
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.