Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7309178 | Image formation device An image formation device (facsimile machine, printer, copier, etc.) is provided, which is capable of reducing the amount of ink ribbon rolled up for the removal of slack of the ribbon. When a ribbon roll-up process is started, the operation mode of the image format... | 12/18/2007 |