Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 6777701 | Thermal radiation marker Emitter controller including a controller, and a power amplifier, the controller being connected to a power source, the power amplifier being connected to the controller, the power source and to an emitter, the controller providing a pulse sequence to the power ampl... | 08/17/2004 |
| 5589814 | Anti-theft vehicle security system Considering the latest vehicle anti-theft systems and anti-theft warning systems that abound today, the theft of vehicles has not been slowed down to any appreciable amount. In fact, the car theft industry lids virtually kept pace with the car manufacturi... | 12/31/1996 |
| 4821669 | Flight instrument flag annunciator A flight instrument flag annunciator has a motor, a flag mechanism having a flag shutter driven by the motor, a tension spring for rotating the flag shutter in a counterclockwise direction, a drive cord connected to the motor for rotating the flag shutter... | 04/18/1989 |