Granted Patent
Utility
US 5,334,091 · App. 07/950,942
Window fan
Inventor:
Shao Shih-Chin
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Sep 24, 1992
Inventor
Shao Shih-Chin
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.