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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 |
| 4995173 | High tech footwear A shoe, boot, sneaker, etc. incorporates a foot-actuated pump which is connected to one or more expandable air bladders located in portions of the footware where contour fitting is desirable. Walking or running actuates the pump. An adjustable relief valv... | 02/26/1991 |
