Granted Patent
Utility
US 6,441,286 · App. 10/015,489
Drumhead tensioning device and method
Inventors:
Marlon Brando, Jack D. Conner
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 12, 2001
Inventors
Marlon Brando
Jack D. Conner
Assignee (at issue)
Penny Poke Farms, 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.