Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4516894 | Load pressure feedback system having at least one control valve for controlling an apparatus A load pressure feedback system having at least one control valve for controlling a manipulator comprising a load arm which is pivotally connected to a base member, and a control member having a manually movable control arm which is of the same configurat... | 05/14/1985 |