Darrell Stephen Smith
United Kingdom
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| Total IP | 1 |
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| Total IP Rank # | 1,320,371 |
| IP Activity Score | 0.4/5.0 1 |
| IP Activity Rank # | 981,062 |
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| Last Patent | 2021 - Propulsion system for a boat | |||||||||||||||
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| First Patent | 2019 - Propulsion system for a boat | |||||||||||||||
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