Granted Patent
Utility
US 6,676,376 · App. 10/052,017
Locking fan blade tongue and hub assembly
Inventor:
Jack Russell Kerr, Jr.
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jan 17, 2002
Inventor
Jack Russell Kerr, Jr.
Assignee (at issue)
Angelo Fan Brace Licensing 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.