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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 |
| 4225111 | Solenoid valve A solenoid valve is provided which includes an axially movable solenoid plunger for moving an elastic diaphragm away from a position engaging an outlet stub of the valve housing. According to one aspect of the invention, the plunger and the diaphragm are ... | 09/30/1980 |
