Granted Patent
Utility
US 4,598,726 · App. 06/658,051
Ultrasonically operated water faucet
Inventor:
Robert B. Pepper
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Oct 3, 1984
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.