Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Application No. | Application Title | Issue Date |
| 20090120777 | Linear pressure switch apparatus and method A linear pressure switch is described that has two conductors separated by strips of insulation. The conductors are resilient members that can vary in thickness and material along with the insulation to provide a range of switch sensitivities. The switch can include con... | 05/14/2009 |