Granted Patent
Utility
US 6,174,252 · App. 09/366,452
Arrowhead with interchangeable blades
Inventor:
Robert S. Mizek
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Aug 3, 1999
Inventor
Robert S. Mizek
Assignee (at issue)
New Archery Products, LLC
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.