Granted Patent
Utility
US 5,814,747 · App. 08/806,644
Percussion instrument capable of producing a musical tone
Inventor:
Craig Ramsell
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Feb 26, 1997
Inventor
Craig Ramsell
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.