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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 |
| 7479980 | Monitoring system A method of monitoring monitored locations by means of a monitoring system. The monitoring system comprises a plurality of monitoring modules 1, each of which has a light-sensitive sensor for monitoring the monitored locations. The monitoring system further c... | 01/20/2009 |
