Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4375310 | Self-locking cable connector A self-locking cable connector especially useful in wireline data telemetry operations or wellbore logging comprises a plug and receptacle. A locking sleeve assembly acts to lock a key on the plug into a circumferential keyway on the receptacle, when the ... | 03/01/1983 |