Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4368435 | System for maximum efficient transfer of modulated audio frequency energy An audio processing system for maximizing the efficiency of transferring audio frequency signals. Signals to be processed are supplied to a bandpass input filter, then to a primary active frequency control. Its output drives a primary voltage compressor s... | 01/11/1983 |
| 4323324 | Chuck brake A chuck brake is secured to a hand-held reversibly rotatable drill of the variable speed type having a chuck. The chuck brake permits selective tightening or loosening of the chuck by operation of the drill. Brake shoes surround and are adapted to engage ... | 04/06/1982 |
