Granted Patent
Utility
US 4,242,810 · App. 06/042,074
Hair styling apparatus
Inventor:
David M. Blanco
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: May 24, 1979
Inventor
David M. Blanco
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.