Granted Patent
Utility
US 4,906,417 · App. 07/348,157
Humidifier
Inventor:
Jeff Gentry
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: May 3, 1989
Inventor
Jeff Gentry
Assignee (at issue)
The Mills 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.