Granted Patent
Utility
US 6,590,147 · App. 09/850,631
Bass drum pedal
Inventor:
Todd Kassabian
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: May 4, 2001
Inventor
Todd Kassabian
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.