Granted Patent
Utility
US 6,227,633 · App. 08/988,501
Headband storage and stretching device
Inventor:
Sandra CASTILLO
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Dec 10, 1997
Inventor
Sandra CASTILLO
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.