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Philip Stephen Douglas
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Bristol, GB
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last 30 patents
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Patent Grant
Robotic vacuum cleaner
Patent number
D976507
Issue date
Jan 24, 2023
Dyson Technology Limited
Philip Stephen Douglas
D32 - Washing, cleaning, or drying machine
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Patent Grant
Charging apparatus
Patent number
D948429
Issue date
Apr 12, 2022
Dyson Technology Limited
Philip Stephen Douglas
D13 - Equipment for production, distribution, or transformation of energy