Granted Patent
Utility
US 6,540,628 · App. 09/679,660
Broadhead arrowhead with adjustable blade retention
Inventor:
John Musacchia, Jr.
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Oct 4, 2000
Inventor
John Musacchia, Jr.
Assignee (at issue)
Muzzy Products Corporation
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.