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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 6622440 | Modular flooring Disclosed is a modular floor including a plurality of floor tiles having two sides with different functional characteristics so that one side has a regular checkered surface with protrusions of equal maximum height and on the same plane, comprising areas ... | 09/23/2003 |
