Granted Patent
Utility
US 5,014,338 · App. 07/287,330
Portable air humidifier
Inventor:
Dov Z. Glucksman
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Dec 21, 1988
Inventor
Dov Z. Glucksman
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.