Granted Patent
Utility
US 6,648,197 · App. 10/150,411
Halo hanger
Inventor:
Andrew Perry
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: May 17, 2002
Inventor
Andrew Perry
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.