Granted Patent
Utility
US 6,058,516 · App. 09/264,810
Protective headgear for wrestlers
Inventor:
John Purnell
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Mar 9, 1999
Inventor
John Purnell
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.