Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4187180 | Hollow-fiber permeability apparatus In a hollow-fiber permeability apparatus in which a permeating region of a housing contains a bundle of hollow fibers, and materials can selectively permeate through the membranes formed by the permeable walls of the hollow fibers, between a fluid flowing... | 02/05/1980 |
| 4113147 | Vacuum bottle with air pump to pressurized bottle to effect dispensing A vacuum bottle includes a pump dispenser for dispensing liquids from the temperature insulating interior without the need for removing the top or pouring. The pump dispenser employs a manually operated disk to pump air from a diaphragm into the bottle in... | 09/12/1978 |