Granted Patent
Utility
US 5,637,039 · App. 08/398,229
Compact portable window fan
Inventors:
Bernard Chiu, Jui-Shang Wang, John Longan, Robert Marvin
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Mar 3, 1995
Inventors
Bernard Chiu
Jui-Shang Wang
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.