Granted Patent
Utility
US 4,402,095 · App. 06/247,997
Ultrasonically operated water faucet
Inventor:
Robert B. Pepper
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Mar 26, 1981
Inventor
Robert B. Pepper
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.