Granted Patent
Utility
US 6,333,454 · App. 09/492,809
Acoustic support structure for stringed musical instruments and method of making same
Inventor:
Chris Griffiths
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: Jan 28, 2000
Inventor
Chris Griffiths
Assignee (at issue)
Griffiths Guitar International Ltd.
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.