Granted Patent
Utility
US 5,956,863 · App. 09/227,376
Hair dryer apparatus and method
Inventor:
Donavan J. Allen
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jan 8, 1999
Inventor
Donavan J. Allen
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.