Granted Patent
Utility
US 6,060,650 · App. 09/005,104
Arrangement of a sound hole and construction of a sound board in an acoustic guitar
Inventor:
Mathew A. McPherson
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Jan 9, 1998
Inventor
Mathew A. McPherson
Assignee (at issue)
Mathew A. McPherson
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.