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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 |
| 7878289 | Controller for controlling a drive mechanism of a powered industrial truck A controller controlling the drive mechanism of a powered industrial truck has two Hall effect sensors, which are located at a lateral distance from one another, and a source of lines of magnetic flux, which can be displaced relative to the Hall effect sensors when ... | 02/01/2011 |
| D626714 | Handle unit | 11/02/2010 |
| 7789188 | Shaft head A tiller head with a switch arrangement for operating a lifting mechanism of a forklift includes an operating element mounted on the tiller head, where the operating element has an actuator, and a magnetic field sensor operatively connected with the actuator without... | 09/07/2010 |
| 7618291 | Electrical plug connection with a transponder provided in a coding PIN An electrical plug connection for connecting a consumer or a charging device to a battery. The plug connection includes a plug part and a socket part. The part of the plug connection located on the battery side is provided with a transponder (15) in which dat... | 11/17/2009 |
| D597030 | Contact plug | 07/28/2009 |
| D563074 | Handle | 02/26/2008 |
