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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 |
| 4666569 | Method of making multilayer ohmic contact to thin film p-type II-VI semiconductor A method of making an ohmic content to a thin film of a II-VI compound semiconductor. The contact is made by etching the film with an acidic solution and thereafter treating the etched surface with an alkaline solution. A layer of copper 5 to 50 angstroms... | 05/19/1987 |
| 4629820 | Thin film heterojunction photovoltaic devices Thin films of Hg1-x Cdx Te with controlled x greater than 0.5 are cathodically deposited on a thin CdS film over a conductive film of ITO deposited on a glass substrate. Depositing a conductive film on the electrodeposited Hg1-x... | 12/16/1986 |
