Granted Patent
Utility
US 5,031,337 · App. 07/428,118
Automatic hand dryer
Inventors:
Joseph J. Pilolla, John R. Wilson
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Oct 27, 1989
Inventors
Joseph J. Pilolla
John R. Wilson
Assignee (at issue)
Sloan Valve Company
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.