Granted Patent
Utility
US 5,514,303 · App. 08/373,335
Humidifier with removable suction tube
Inventors:
Bernard Chiu, John Longan, Robert Marvin
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Jan 17, 1995
Inventors
Bernard Chiu
John Longan
Robert Marvin
Assignee (at issue)
Duracraft Corp.
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.