Granted Patent
Utility
US 5,787,971 · App. 08/854,453
Multiple fan cooling device
Inventor:
Douglas A. Dodson
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: May 12, 1997
Inventor
Douglas A. Dodson
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.