Granted Patent
Utility
US 6,028,259 · App. 09/221,477
Weighting of drum pedal apparatus
Inventors:
Donald G. Lombardi, John J. Good
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Dec 28, 1998
Inventors
Donald G. Lombardi
John J. Good
Assignee (at issue)
Drum Workshop, Inc.
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.