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Matthew David Day
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Oakland, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Unit controller
Patent number
D948352
Issue date
Apr 12, 2022
X Development LLC
Matthew David Day
D10 - Measuring, testing, or signalling instruments
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Patent Grant
Underwater camera
Patent number
D947925
Issue date
Apr 5, 2022
X Development LLC
Matthew David Day
D16 - Photography and optical equipment
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Patent Grant
Winch system
Patent number
D938687
Issue date
Dec 14, 2021
X Development LLC
Matthew David Day
D34 - Material or article handling equipment