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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 |
| 6518322 | Conversion of contaminated polyethylene terephthalate to decontaminated polybutylene terephthalate Decontaminated crushed polyethylene terephthalate is converted to decontaminated PBT withtout requiring a catalyst by mixing with 1,4-butanediol under reduced pressure, transeterifying at 120-190° C., distilling off ethanediol and tetrahydrofuran under s... | 02/11/2003 |
