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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 |
| 4294824 | Extracts of the hemopoietic system Extracts of the hemopoietic chalones, erythrocytic, lymphocytic and granulocytic chalones are produced by the semi-continuous processing of whole blood. By means of a continuous lysis unit the red blood cells are preferentially and substantially completel... | 10/13/1981 |
| 4022806 | Process for preparing chenodeoxycholic acid A process for preparing a form of chenodeoxycholic acid having a melting point of ca. 166° C from the amorphous form of the acid or from the form melting at ca. 120° C. The amorphous or low melting forms of chenodeoxycholic acid, in a suspension in wate... | 05/10/1977 |
