Granted Patent
Utility
US 4,788,998 · App. 07/146,956
Ultrasonically operated water faucet
Inventors:
Robert B. Pepper, by Jayme P. Ginsburg, executor
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Jan 22, 1988
Inventors
Robert B. Pepper
by Jayme P. Ginsburg, executor
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.