Granted Patent
Utility
US 5,688,446 · App. 08/670,345
Evaporative humidifier
Inventor:
Neville R. Glenn
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jun 25, 1996
Inventor
Neville R. Glenn
Assignee (at issue)
Holmes Products Corporation
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.